| City | State | Area Code(s) |
| Molino | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Mollusk | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Molt | MT | Montana Area Code(s): 406 |
| Momence | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mona | UT | Utah Area Code(s): 435 801 |
| Monaca | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Monahans | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Monarch | CO | Colorado Area Code(s): 303 719 970 |
| Monarch | MT | Montana Area Code(s): 406 |
| Monaville | WV | West Virginia Area Code(s): 304 |
| Moncks Corner | SC | South Carolina Area Code(s): 803 843 864 |
| Monclova | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Moncure | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mondamin | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mondovi | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Monee | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Monessen | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Moneta | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Monett | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Monetta | SC | South Carolina Area Code(s): 803 843 864 |
| Monette | AR | Arkansas Area Code(s): 479 501 870 |
| Money | MS | Mississippi Area Code(s): 228 601 662 |
| Mongaup Valley | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mongmong | GU | Guam Area Code(s): 671 |
| Mongo | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Monhegan | ME | Maine Area Code(s): 207 |
| Monitor | WA | Washington Area Code(s): 206 253 360 425 509 |
| Monkton | MD | Maryland Area Code(s): 301 410 |
| Monkton | VT | Vermont Area Code(s): 802 |
| Monmouth Beach | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Monmouth Junction | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Monmouth | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Monmouth | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Monmouth | ME | Maine Area Code(s): 207 |
| Monmouth | OR | Oregon Area Code(s): 503 541 |
| Mono Hot Springs | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Monocacy Station | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Monon | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Monona | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Monongahela | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Monponsett | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Monroe Bridge | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Monroe Center | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Monroe City | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Monroe City | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Monroe Township | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Monroe | AR | Arkansas Area Code(s): 479 501 870 |
| Monroe | CT | Connecticut Area Code(s): 203 860 |
| Monroe | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Monroe | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Monroe | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Monroe | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Monroe | ME | Maine Area Code(s): 207 |
| Monroe | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Monroe | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Monroe | NE | Nebraska Area Code(s): 308 402 |
| Monroe | NH | New Hampshire Area Code(s): 603 |
| Monroe | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Monroe | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Monroe | OK | Oklahoma Area Code(s): 405 580 918 |
| Monroe | OR | Oregon Area Code(s): 503 541 |
| Monroe | SD | South Dakota Area Code(s): 605 |
| Monroe | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Monroe | UT | Utah Area Code(s): 435 801 |
| Monroe | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Monroe | WA | Washington Area Code(s): 206 253 360 425 509 |
| Monroe | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Monroeton | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Monroeville | AL | Alabama Area Code(s): 205 251 256 334 |
| Monroeville | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Monroeville | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Monroeville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Monroeville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Monrovia | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Monrovia | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Monrovia | MD | Maryland Area Code(s): 301 410 |
| Monsey | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Monson | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Monson | ME | Maine Area Code(s): 207 |
| Mont Alto | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mont Belvieu | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Mont Clare | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mont Vernon | NH | New Hampshire Area Code(s): 603 |
| Montague | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Montague | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Montague | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Montague | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Montague | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Montalba | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Montana Mines | WV | West Virginia Area Code(s): 304 |
| Montandon | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Montara | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Montauk | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Montcalm | WV | West Virginia Area Code(s): 304 |
| Montchanin | DE | Delaware Area Code(s): 302 |
| Montclair | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Montclair | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Monte Rio | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Monte Vista | CO | Colorado Area Code(s): 303 719 970 |
| Monteagle | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Montebello | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Montebello | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Montegut | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Montello | NV | Nevada Area Code(s): 702 775 |
| Montello | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Monterey Park | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Monterey | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Monterey | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Monterey | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Monterey | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Monterey | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Monterey | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Monterville | WV | West Virginia Area Code(s): 304 |
| Montesano | WA | Washington Area Code(s): 206 253 360 425 509 |
| Montevallo | AL | Alabama Area Code(s): 205 251 256 334 |
| Montevideo | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Monteview | ID | Idaho Area Code(s): 208 |
| Montezuma Creek | UT | Utah Area Code(s): 435 801 |
| Montezuma | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Montezuma | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Montezuma | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Montezuma | KS | Kansas Area Code(s): 316 620 785 913 |
| Montezuma | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Montezuma | NM | New Mexico Area Code(s): 505 |
| Montezuma | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Montezuma | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Montfort | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Montgomery Center | VT | Vermont Area Code(s): 802 |
| Montgomery City | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Montgomery Creek | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Montgomery Village | MD | Maryland Area Code(s): 301 410 |
| Montgomery | AL | Alabama Area Code(s): 205 251 256 334 |
| Montgomery | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Montgomery | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Montgomery | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Montgomery | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Montgomery | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Montgomery | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Montgomery | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Montgomery | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Montgomery | VT | Vermont Area Code(s): 802 |
| Montgomery | WV | West Virginia Area Code(s): 304 |
| Montgomeryville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Monticello | AR | Arkansas Area Code(s): 479 501 870 |
| Monticello | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Monticello | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Monticello | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Monticello | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Monticello | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Monticello | KY | Kentucky Area Code(s): 270 502 606 859 |
| Monticello | ME | Maine Area Code(s): 207 |
| Monticello | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Monticello | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Monticello | MS | Mississippi Area Code(s): 228 601 662 |
| Monticello | NM | New Mexico Area Code(s): 505 |
| Monticello | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Monticello | SC | South Carolina Area Code(s): 803 843 864 |
| Monticello | UT | Utah Area Code(s): 435 801 |
| Monticello | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Montier | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Montmorenci | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Montmorenci | SC | South Carolina Area Code(s): 803 843 864 |
| Montour Falls | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Montour | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Montoursville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Montpelier Station | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Montpelier | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Montpelier | ID | Idaho Area Code(s): 208 |
| Montpelier | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Montpelier | MS | Mississippi Area Code(s): 228 601 662 |
| Montpelier | ND | North Dakota Area Code(s): 701 |
| Montpelier | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Montpelier | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Montpelier | VT | Vermont Area Code(s): 802 |
| Montreal | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Montreal | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Montreat | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Montrose | AL | Alabama Area Code(s): 205 251 256 334 |
| Montrose | AR | Arkansas Area Code(s): 479 501 870 |
| Montrose | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Montrose | CO | Colorado Area Code(s): 303 719 970 |
| Montrose | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Montrose | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Montrose | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Montrose | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Montrose | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Montrose | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Montrose | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Montrose | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Montrose | SD | South Dakota Area Code(s): 605 |
| Montrose | WV | West Virginia Area Code(s): 304 |
| Montross | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Montvale | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Montvale | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Montverde | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Montville | CT | Connecticut Area Code(s): 203 860 |
| Montville | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Montville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Monument Beach | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Monument Valley | UT | Utah Area Code(s): 435 801 |
| Monument | CO | Colorado Area Code(s): 303 719 970 |
| Monument | KS | Kansas Area Code(s): 316 620 785 913 |
| Monument | NM | New Mexico Area Code(s): 505 |
| Monument | OR | Oregon Area Code(s): 503 541 |
| Moodus | CT | Connecticut Area Code(s): 203 860 |
| Moody Afb | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Moody | AL | Alabama Area Code(s): 205 251 256 334 |
| Moody | ME | Maine Area Code(s): 207 |
| Moody | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Moody | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Moodys | OK | Oklahoma Area Code(s): 405 580 918 |
| Mooers Forks | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mooers | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Moon | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Moonachie | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Moorcroft | WY | Wyoming Area Code(s): 208 307 |
| Moore Haven | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Moore | ID | Idaho Area Code(s): 208 |
| Moore | MT | Montana Area Code(s): 406 |
| Moore | SC | South Carolina Area Code(s): 803 843 864 |
| Moore | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Moorefield | KY | Kentucky Area Code(s): 270 502 606 859 |
| Moorefield | NE | Nebraska Area Code(s): 308 402 |
| Moorefield | WV | West Virginia Area Code(s): 304 |
| Mooreland | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mooreland | OK | Oklahoma Area Code(s): 405 580 918 |
| Moores Hill | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mooresboro | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mooresburg | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Moorestown | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mooresville | AL | Alabama Area Code(s): 205 251 256 334 |
| Mooresville | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mooresville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mooresville | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mooreton | ND | North Dakota Area Code(s): 701 |
| Mooreville | MS | Mississippi Area Code(s): 228 601 662 |
| Moorhead | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Moorhead | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Moorhead | MS | Mississippi Area Code(s): 228 601 662 |
| Mooringsport | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Moorland | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Moorpark | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Moose Lake | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Moose Pass | AK | Alaska Area Code(s): 907 |
| Moose | WY | Wyoming Area Code(s): 208 307 |
| Mooseheart | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Moosic | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Moosup | CT | Connecticut Area Code(s): 203 860 |
| Mora | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Mora | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Mora | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mora | NM | New Mexico Area Code(s): 505 |
| Moraga | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Moran | KS | Kansas Area Code(s): 316 620 785 913 |
| Moran | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Moran | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Moran | WY | Wyoming Area Code(s): 208 307 |
| Morann | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Morattico | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Moravia | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Moravia | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Moravian Falls | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Moreauville | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Morehead City | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Morehead | KY | Kentucky Area Code(s): 270 502 606 859 |
| Morehouse | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Moreland | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Moreland | ID | Idaho Area Code(s): 208 |
| Morenci | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Morenci | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Moreno Valley | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Moretown | VT | Vermont Area Code(s): 802 |
| Morgan City | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Morgan City | MS | Mississippi Area Code(s): 228 601 662 |
| Morgan Hill | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Morgan Mill | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Morgan | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Morgan | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Morgan | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Morgan | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Morgan | UT | Utah Area Code(s): 435 801 |
| Morgan | VT | Vermont Area Code(s): 802 |
| Morganfield | KY | Kentucky Area Code(s): 270 502 606 859 |
| Morganton | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Morganton | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Morgantown | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Morgantown | KY | Kentucky Area Code(s): 270 502 606 859 |
| Morgantown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Morgantown | WV | West Virginia Area Code(s): 304 |
| Morganville | KS | Kansas Area Code(s): 316 620 785 913 |
| Morganville | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Morganza | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Morganza | MD | Maryland Area Code(s): 301 410 |
| Moriah Center | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Moriah | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Moriarty | NM | New Mexico Area Code(s): 505 |
| Moriches | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Morland | KS | Kansas Area Code(s): 316 620 785 913 |
| Morley | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Morley | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Morley | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mormon Lake | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Morning Sun | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Morning View | KY | Kentucky Area Code(s): 270 502 606 859 |
| Moro | AR | Arkansas Area Code(s): 479 501 870 |
| Moro | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Moro | OR | Oregon Area Code(s): 503 541 |
| Morocco | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Morongo Valley | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Moroni | UT | Utah Area Code(s): 435 801 |
| Morovis | PR | Puerto Rico Area Code(s): 787 |
| Morral | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Morrice | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Morrill | KS | Kansas Area Code(s): 316 620 785 913 |
| Morrill | ME | Maine Area Code(s): 207 |
| Morrill | NE | Nebraska Area Code(s): 308 402 |
| Morrilton | AR | Arkansas Area Code(s): 479 501 870 |
| Morris Chapel | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Morris Plains | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Morris Run | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Morris | AL | Alabama Area Code(s): 205 251 256 334 |
| Morris | CT | Connecticut Area Code(s): 203 860 |
| Morris | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Morris | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Morris | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Morris | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Morris | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Morris | OK | Oklahoma Area Code(s): 405 580 918 |
| Morris | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Morrisdale | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Morrison | CO | Colorado Area Code(s): 303 719 970 |
| Morrison | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Morrison | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Morrison | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Morrison | OK | Oklahoma Area Code(s): 405 580 918 |
| Morrison | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Morrisonville | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Morrisonville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Morrisonville | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Morriston | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Morristown | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Morristown | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Morristown | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Morristown | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Morristown | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Morristown | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Morristown | SD | South Dakota Area Code(s): 605 |
| Morristown | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Morrisville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Morrisville | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Morrisville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Morrisville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Morrisville | VT | Vermont Area Code(s): 802 |
| Morro Bay | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Morrow | AR | Arkansas Area Code(s): 479 501 870 |
| Morrow | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Morrow | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Morrow | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Morrowville | KS | Kansas Area Code(s): 316 620 785 913 |
| Morse Bluff | NE | Nebraska Area Code(s): 308 402 |
| Morse Mill | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Morse | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Morse | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Morton Grove | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Morton | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Morton | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Morton | MS | Mississippi Area Code(s): 228 601 662 |
| Morton | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Morton | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Morton | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Morton | WA | Washington Area Code(s): 206 253 360 425 509 |
| Mortons Gap | KY | Kentucky Area Code(s): 270 502 606 859 |
| Morven | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Morven | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Morvin | AL | Alabama Area Code(s): 205 251 256 334 |
| Mosby | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mosby | MT | Montana Area Code(s): 406 |
| Mosca | CO | Colorado Area Code(s): 303 719 970 |
| Moscow Mills | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Moscow | AR | Arkansas Area Code(s): 479 501 870 |
| Moscow | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Moscow | ID | Idaho Area Code(s): 208 |
| Moscow | KS | Kansas Area Code(s): 316 620 785 913 |
| Moscow | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Moscow | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Moscow | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Moscow | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Moscow | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Moscow | VT | Vermont Area Code(s): 802 |
| Moseley | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Moselle | MS | Mississippi Area Code(s): 228 601 662 |
| Moses Lake | WA | Washington Area Code(s): 206 253 360 425 509 |
| Moshannon | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mosheim | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mosherville | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mosier | OR | Oregon Area Code(s): 503 541 |
| Mosinee | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mosquero | NM | New Mexico Area Code(s): 505 |
| Moss Beach | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Moss Landing | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Moss Point | MS | Mississippi Area Code(s): 228 601 662 |
| Moss | MS | Mississippi Area Code(s): 228 601 662 |
| Moss | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mossville | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mossy Head | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Mossyrock | WA | Washington Area Code(s): 206 253 360 425 509 |
| Motley | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Mott | ND | North Dakota Area Code(s): 701 |
| Mottville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Moulton | AL | Alabama Area Code(s): 205 251 256 334 |
| Moulton | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Moulton | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Moultonborough | NH | New Hampshire Area Code(s): 603 |
| Moultrie | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mound Bayou | MS | Mississippi Area Code(s): 228 601 662 |
| Mound City | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mound City | KS | Kansas Area Code(s): 316 620 785 913 |
| Mound City | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mound City | SD | South Dakota Area Code(s): 605 |
| Mound Valley | KS | Kansas Area Code(s): 316 620 785 913 |
| Mound | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Mound | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Moundridge | KS | Kansas Area Code(s): 316 620 785 913 |
| Mounds | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mounds | OK | Oklahoma Area Code(s): 405 580 918 |
| Moundsville | WV | West Virginia Area Code(s): 304 |
| Moundville | AL | Alabama Area Code(s): 205 251 256 334 |
| Moundville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mount Aetna | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Airy | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mount Airy | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Mount Airy | MD | Maryland Area Code(s): 301 410 |
| Mount Airy | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mount Alto | WV | West Virginia Area Code(s): 304 |
| Mount Angel | OR | Oregon Area Code(s): 503 541 |
| Mount Arlington | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mount Auburn | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mount Auburn | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mount Aukum | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mount Ayr | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mount Ayr | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mount Berry | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mount Bethel | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Blanchard | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Braddock | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Calm | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Mount Calvary | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mount Carbon | WV | West Virginia Area Code(s): 304 |
| Mount Carmel | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mount Carmel | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Carmel | SC | South Carolina Area Code(s): 803 843 864 |
| Mount Carmel | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mount Carmel | UT | Utah Area Code(s): 435 801 |
| Mount Carroll | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mount Clare | WV | West Virginia Area Code(s): 304 |
| Mount Clemens | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mount Cory | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Crawford | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mount Croghan | SC | South Carolina Area Code(s): 803 843 864 |
| Mount Desert | ME | Maine Area Code(s): 207 |
| Mount Dora | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Mount Eaton | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Eden | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mount Enterprise | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Mount Ephraim | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mount Erie | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mount Freedom | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mount Gay | WV | West Virginia Area Code(s): 304 |
| Mount Gilead | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mount Gilead | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Gretna | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Hamilton | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mount Hermon | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mount Hermon | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mount Hermon | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Mount Holly Springs | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Holly | AR | Arkansas Area Code(s): 479 501 870 |
| Mount Holly | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mount Holly | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mount Holly | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mount Holly | VT | Vermont Area Code(s): 802 |
| Mount Hood Parkdale | OR | Oregon Area Code(s): 503 541 |
| Mount Hope | AL | Alabama Area Code(s): 205 251 256 334 |
| Mount Hope | KS | Kansas Area Code(s): 316 620 785 913 |
| Mount Hope | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Hope | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mount Hope | WV | West Virginia Area Code(s): 304 |
| Mount Horeb | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mount Ida | AR | Arkansas Area Code(s): 479 501 870 |
| Mount Jackson | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mount Jewett | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Joy | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Judea | AR | Arkansas Area Code(s): 479 501 870 |
| Mount Juliet | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mount Kisco | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mount Laguna | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mount Laurel | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mount Lemmon | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Mount Liberty | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Lookout | WV | West Virginia Area Code(s): 304 |
| Mount Marion | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mount Meigs | AL | Alabama Area Code(s): 205 251 256 334 |
| Mount Morris | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mount Morris | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mount Morris | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mount Morris | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Mourne | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mount Nebo | WV | West Virginia Area Code(s): 304 |
| Mount Olive | AL | Alabama Area Code(s): 205 251 256 334 |
| Mount Olive | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mount Olive | MS | Mississippi Area Code(s): 228 601 662 |
| Mount Olive | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mount Olive | WV | West Virginia Area Code(s): 304 |
| Mount Olivet | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mount Orab | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Perry | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Pleasant Mills | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Pleasant | AR | Arkansas Area Code(s): 479 501 870 |
| Mount Pleasant | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mount Pleasant | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mount Pleasant | MS | Mississippi Area Code(s): 228 601 662 |
| Mount Pleasant | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mount Pleasant | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Pleasant | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Pleasant | SC | South Carolina Area Code(s): 803 843 864 |
| Mount Pleasant | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mount Pleasant | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Mount Pleasant | UT | Utah Area Code(s): 435 801 |
| Mount Pocono | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Prospect | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mount Pulaski | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mount Rainier | MD | Maryland Area Code(s): 301 410 |
| Mount Royal | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mount Saint Francis | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mount Saint Joseph | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Savage | MD | Maryland Area Code(s): 301 410 |
| Mount Shasta | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mount Sherman | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mount Sidney | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mount Sinai | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mount Solon | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mount Sterling | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mount Sterling | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mount Sterling | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mount Sterling | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mount Sterling | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Sterling | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mount Storm | WV | West Virginia Area Code(s): 304 |
| Mount Summit | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mount Tabor | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mount Tremper | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mount Ulla | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mount Union | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mount Union | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Upton | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mount Vernon | AL | Alabama Area Code(s): 205 251 256 334 |
| Mount Vernon | AR | Arkansas Area Code(s): 479 501 870 |
| Mount Vernon | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mount Vernon | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mount Vernon | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mount Vernon | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mount Vernon | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mount Vernon | ME | Maine Area Code(s): 207 |
| Mount Vernon | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mount Vernon | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mount Vernon | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Vernon | OR | Oregon Area Code(s): 503 541 |
| Mount Vernon | SD | South Dakota Area Code(s): 605 |
| Mount Vernon | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Mount Vernon | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mount Vernon | WA | Washington Area Code(s): 206 253 360 425 509 |
| Mount Victoria | MD | Maryland Area Code(s): 301 410 |
| Mount Victory | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mount Vision | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mount Washington | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mount Washington | NH | New Hampshire Area Code(s): 603 |
| Mount Wilson | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mount Wolf | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mount Zion | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mount Zion | WV | West Virginia Area Code(s): 304 |
| Mountain Center | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mountain City | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mountain City | NV | Nevada Area Code(s): 702 775 |
| Mountain City | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mountain Dale | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mountain Grove | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mountain Home A F B | ID | Idaho Area Code(s): 208 |
| Mountain Home | AR | Arkansas Area Code(s): 479 501 870 |
| Mountain Home | ID | Idaho Area Code(s): 208 |
| Mountain Home | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mountain Home | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mountain Home | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Mountain Home | UT | Utah Area Code(s): 435 801 |
| Mountain Iron | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Mountain Lake | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Mountain Lakes | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mountain Park | OK | Oklahoma Area Code(s): 405 580 918 |
| Mountain Pass | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mountain Pine | AR | Arkansas Area Code(s): 479 501 870 |
| Mountain Ranch | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mountain Rest | SC | South Carolina Area Code(s): 803 843 864 |
| Mountain Top | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mountain View | AR | Arkansas Area Code(s): 479 501 870 |
| Mountain View | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mountain View | HI | Hawaii Area Code(s): 808 |
| Mountain View | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mountain View | OK | Oklahoma Area Code(s): 405 580 918 |
| Mountain View | WY | Wyoming Area Code(s): 208 307 |
| Mountain Village | AK | Alaska Area Code(s): 907 |
| Mountain | ND | North Dakota Area Code(s): 701 |
| Mountain | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mountainair | NM | New Mexico Area Code(s): 505 |
| Mountainburg | AR | Arkansas Area Code(s): 479 501 870 |
| Mountainhome | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mountainside | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mountainville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mountlake Terrace | WA | Washington Area Code(s): 206 253 360 425 509 |
| Mountville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mountville | SC | South Carolina Area Code(s): 803 843 864 |
| Mousie | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mouth Of Wilson | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mouthcard | KY | Kentucky Area Code(s): 270 502 606 859 |
| Moville | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Moweaqua | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mowrystown | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Moxahala | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Moxee | WA | Washington Area Code(s): 206 253 360 425 509 |
| Moyers | OK | Oklahoma Area Code(s): 405 580 918 |
| Moyie Springs | ID | Idaho Area Code(s): 208 |
| Moyock | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mozelle | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mozier | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mt Baldy | CA | California Area Code(s): 209 213 310 323 408 415 510 530 559 562 619 626 650 661 707 714 760 805 818 831 858 909 916 925 949 |
| Mt Zion | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mud Butte | SD | South Dakota Area Code(s): 605 |
| Muddy | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Muenster | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Muir | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Muir | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mukilteo | WA | Washington Area Code(s): 206 253 360 425 509 |
| Mukwonago | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mulberry Grove | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mulberry | AR | Arkansas Area Code(s): 479 501 870 |
| Mulberry | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Mulberry | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mulberry | KS | Kansas Area Code(s): 316 620 785 913 |
| Mulberry | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Muldoon | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Muldraugh | KY | Kentucky Area Code(s): 270 502 606 859 |
| Muldrow | OK | Oklahoma Area Code(s): 405 580 918 |
| Mule Creek | NM | New Mexico Area Code(s): 505 |
| Muleshoe | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Mulga | AL | Alabama Area Code(s): 205 251 256 334 |
| Mulhall | OK | Oklahoma Area Code(s): 405 580 918 |
| Mulino | OR | Oregon Area Code(s): 503 541 |
| Mulkeytown | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mullan | ID | Idaho Area Code(s): 208 |
| Mullen | NE | Nebraska Area Code(s): 308 402 |
| Mullens | WV | West Virginia Area Code(s): 304 |
| Mullett Lake | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mullica Hill | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mulliken | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mullin | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Mullins | SC | South Carolina Area Code(s): 803 843 864 |
| Mullinville | KS | Kansas Area Code(s): 316 620 785 913 |
| Mulvane | KS | Kansas Area Code(s): 316 620 785 913 |
| Mumford | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mumford | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Muncie | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Muncie | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Muncy Valley | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Muncy | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Munday | TX | Texas Area Code(s): 210 214 254 281 325 361 409 432 512 713 806 817 830 903 915 936 940 956 972 979 |
| Munday | WV | West Virginia Area Code(s): 304 |
| Mundelein | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Munden | KS | Kansas Area Code(s): 316 620 785 913 |
| Munds Park | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Munford | AL | Alabama Area Code(s): 205 251 256 334 |
| Munford | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Munfordville | KY | Kentucky Area Code(s): 270 502 606 859 |
| Munger | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |