| City | State | Area Code(s) |
| Marietta | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Marietta | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Marietta | OK | Oklahoma Area Code(s): 405 580 918 |
| Marietta | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Marietta | SC | South Carolina Area Code(s): 803 843 864 |
| Marietta | 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 |
| Marilla | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Marina Del Rey | 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 |
| Marina | 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 |
| Marine City | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Marine On Saint Croix | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Marine | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Marinette | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Maringouin | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Marion Center | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Marion Heights | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Marion Junction | AL | Alabama Area Code(s): 205 251 256 334 |
| Marion Station | MD | Maryland Area Code(s): 301 410 |
| Marion | AL | Alabama Area Code(s): 205 251 256 334 |
| Marion | AR | Arkansas Area Code(s): 479 501 870 |
| Marion | CT | Connecticut Area Code(s): 203 860 |
| Marion | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Marion | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Marion | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Marion | KS | Kansas Area Code(s): 316 620 785 913 |
| Marion | KY | Kentucky Area Code(s): 270 502 606 859 |
| Marion | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Marion | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Marion | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Marion | MS | Mississippi Area Code(s): 228 601 662 |
| Marion | MT | Montana Area Code(s): 406 |
| Marion | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Marion | ND | North Dakota Area Code(s): 701 |
| Marion | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Marion | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Marion | OR | Oregon Area Code(s): 503 541 |
| Marion | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Marion | SC | South Carolina Area Code(s): 803 843 864 |
| Marion | SD | South Dakota Area Code(s): 605 |
| Marion | 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 |
| Marion | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Marion | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Marionville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Marionville | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mariposa | 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 |
| Marissa | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mark Center | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mark | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Marked Tree | AR | Arkansas Area Code(s): 479 501 870 |
| Markesan | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Markham | 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 |
| Markham | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Markle | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Markleeville | 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 |
| Markleton | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Markleville | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Markleysburg | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Marks | MS | Mississippi Area Code(s): 228 601 662 |
| Marksville | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Marland | OK | Oklahoma Area Code(s): 405 580 918 |
| Marlboro | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Marlboro | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Marlboro | VT | Vermont Area Code(s): 802 |
| Marlborough | CT | Connecticut Area Code(s): 203 860 |
| Marlborough | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Marlborough | NH | New Hampshire Area Code(s): 603 |
| Marlette | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Marlin | 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 |
| Marlin | WA | Washington Area Code(s): 206 253 360 425 509 |
| Marlinton | WV | West Virginia Area Code(s): 304 |
| Marlow | NH | New Hampshire Area Code(s): 603 |
| Marlow | OK | Oklahoma Area Code(s): 405 580 918 |
| Marlton | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Marmaduke | AR | Arkansas Area Code(s): 479 501 870 |
| Marmarth | ND | North Dakota Area Code(s): 701 |
| Marmora | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Marne | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Marne | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Maroa | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Marquand | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Marquette | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Marquette | KS | Kansas Area Code(s): 316 620 785 913 |
| Marquette | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Marquette | NE | Nebraska Area Code(s): 308 402 |
| Marquette | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Marquez | 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 |
| Marrero | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Marriottsville | MD | Maryland Area Code(s): 301 410 |
| Marrowbone | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mars Hill | ME | Maine Area Code(s): 207 |
| Mars Hill | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mars | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Marseilles | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Marshall | AK | Alaska Area Code(s): 907 |
| Marshall | AR | Arkansas Area Code(s): 479 501 870 |
| Marshall | 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 |
| Marshall | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Marshall | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Marshall | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Marshall | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Marshall | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Marshall | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Marshall | ND | North Dakota Area Code(s): 701 |
| Marshall | OK | Oklahoma Area Code(s): 405 580 918 |
| Marshall | 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 |
| Marshall | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Marshall | WA | Washington Area Code(s): 206 253 360 425 509 |
| Marshall | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Marshallberg | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Marshalls Creek | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Marshalltown | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Marshallville | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Marshallville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Marshes Siding | KY | Kentucky Area Code(s): 270 502 606 859 |
| Marshfield Hills | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Marshfield | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Marshfield | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Marshfield | VT | Vermont Area Code(s): 802 |
| Marshfield | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Marshville | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Marsing | ID | Idaho Area Code(s): 208 |
| Marsland | NE | Nebraska Area Code(s): 308 402 |
| Marsteller | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Marston | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Marston | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Marstons Mills | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Mart | 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 |
| Martel | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Martell | 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 |
| Martell | NE | Nebraska Area Code(s): 308 402 |
| Martelle | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Martensdale | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Martha | KY | Kentucky Area Code(s): 270 502 606 859 |
| Martha | OK | Oklahoma Area Code(s): 405 580 918 |
| Marthasville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Marthaville | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Martin City | MT | Montana Area Code(s): 406 |
| Martin | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Martin | KY | Kentucky Area Code(s): 270 502 606 859 |
| Martin | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Martin | ND | North Dakota Area Code(s): 701 |
| Martin | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Martin | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Martin | SC | South Carolina Area Code(s): 803 843 864 |
| Martin | SD | South Dakota Area Code(s): 605 |
| Martin | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Martindale | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Martindale | 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 |
| Martinez | 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 |
| Martins Creek | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Martins Ferry | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Martinsburg | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Martinsburg | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Martinsburg | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Martinsburg | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Martinsburg | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Martinsburg | WV | West Virginia Area Code(s): 304 |
| Martinsdale | MT | Montana Area Code(s): 406 |
| Martinsville | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Martinsville | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Martinsville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Martinsville | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Martinsville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Martinsville | 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 |
| Martinsville | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Martinton | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Martville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Marty | SD | South Dakota Area Code(s): 605 |
| Marvel | CO | Colorado Area Code(s): 303 719 970 |
| Marvell | AR | Arkansas Area Code(s): 479 501 870 |
| Marvin | SD | South Dakota Area Code(s): 605 |
| Mary Alice | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mary D | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mary Esther | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Marydel | DE | Delaware Area Code(s): 302 |
| Marydel | MD | Maryland Area Code(s): 301 410 |
| Marydell | KY | Kentucky Area Code(s): 270 502 606 859 |
| Maryknoll | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Maryland Heights | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Maryland Line | MD | Maryland Area Code(s): 301 410 |
| Maryland | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Marylhurst | OR | Oregon Area Code(s): 503 541 |
| Maryneal | 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 |
| Marysvale | UT | Utah Area Code(s): 435 801 |
| Marysville | 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 |
| Marysville | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Marysville | KS | Kansas Area Code(s): 316 620 785 913 |
| Marysville | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Marysville | MT | Montana Area Code(s): 406 |
| Marysville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Marysville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Marysville | WA | Washington Area Code(s): 206 253 360 425 509 |
| Maryus | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Maryville | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Maryville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Maryville | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Masardis | ME | Maine Area Code(s): 207 |
| Mascot | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mascot | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mascotte | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Mascoutah | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mashantucket | CT | Connecticut Area Code(s): 203 860 |
| Mashpee | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Maskell | NE | Nebraska Area Code(s): 308 402 |
| Mason City | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mason City | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mason City | NE | Nebraska Area Code(s): 308 402 |
| Mason | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mason | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mason | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mason | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mason | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mason | 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 |
| Mason | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mason | WV | West Virginia Area Code(s): 304 |
| Masonic Home | KY | Kentucky Area Code(s): 270 502 606 859 |
| Masontown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Masontown | WV | West Virginia Area Code(s): 304 |
| Masonville | CO | Colorado Area Code(s): 303 719 970 |
| Masonville | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Masonville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Maspeth | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mass City | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Massapequa Park | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Massapequa | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Massena | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Massena | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Massey | MD | Maryland Area Code(s): 301 410 |
| Massies Mill | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Massillon | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Masterson | 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 |
| Mastic Beach | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mastic | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Masury | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Matador | 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 |
| Matagorda | 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 |
| Matamoras | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Matawan | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Matewan | WV | West Virginia Area Code(s): 304 |
| Matfield Green | KS | Kansas Area Code(s): 316 620 785 913 |
| Matheny | WV | West Virginia Area Code(s): 304 |
| Mather | 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 |
| Mather | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mather | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Matherville | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Matheson | CO | Colorado Area Code(s): 303 719 970 |
| Mathews | AL | Alabama Area Code(s): 205 251 256 334 |
| Mathews | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Mathews | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mathias | WV | West Virginia Area Code(s): 304 |
| Mathis | 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 |
| Mathiston | MS | Mississippi Area Code(s): 228 601 662 |
| Matinicus | ME | Maine Area Code(s): 207 |
| Matlock | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Matlock | WA | Washington Area Code(s): 206 253 360 425 509 |
| Matoaka | WV | West Virginia Area Code(s): 304 |
| Mattapan | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Mattapoisett | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Mattaponi | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mattawa | WA | Washington Area Code(s): 206 253 360 425 509 |
| Mattawamkeag | ME | Maine Area Code(s): 207 |
| Mattawan | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mattawana | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Matteson | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Matthews | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Matthews | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Matthews | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Matthews | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mattituck | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mattoon | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mattoon | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mattson | MS | Mississippi Area Code(s): 228 601 662 |
| Mauckport | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Maud | OK | Oklahoma Area Code(s): 405 580 918 |
| Maud | 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 |
| Maugansville | MD | Maryland Area Code(s): 301 410 |
| Mauk | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mauldin | SC | South Carolina Area Code(s): 803 843 864 |
| Maumee | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Maumelle | AR | Arkansas Area Code(s): 479 501 870 |
| Maunabo | PR | Puerto Rico Area Code(s): 787 |
| Maunaloa | HI | Hawaii Area Code(s): 808 |
| Maunie | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Maupin | OR | Oregon Area Code(s): 503 541 |
| Maurepas | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Maurertown | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Maurice | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Maurice | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Mauricetown | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mauriceville | 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 |
| Maury City | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Maury | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mauston | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mavisdale | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Max Meadows | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Max | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Max | ND | North Dakota Area Code(s): 701 |
| Max | NE | Nebraska Area Code(s): 308 402 |
| Maxatawny | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Maxbass | ND | North Dakota Area Code(s): 701 |
| Maxeys | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Maxie | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Maximo | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Maxton | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Maxwell | 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 |
| Maxwell | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Maxwell | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Maxwell | NE | Nebraska Area Code(s): 308 402 |
| Maxwell | NM | New Mexico Area Code(s): 505 |
| Maxwell | 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 |
| Maxwelton | WV | West Virginia Area Code(s): 304 |
| May City | IA | Iowa Area Code(s): 319 515 563 641 712 |
| May | ID | Idaho Area Code(s): 208 |
| May | OK | Oklahoma Area Code(s): 405 580 918 |
| May | 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 |
| Mayaguez | PR | Puerto Rico Area Code(s): 787 |
| Maybee | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Maybell | CO | Colorado Area Code(s): 303 719 970 |
| Maybeury | WV | West Virginia Area Code(s): 304 |
| Maybrook | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Maydelle | 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 |
| Mayer | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Mayer | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Mayersville | MS | Mississippi Area Code(s): 228 601 662 |
| Mayesville | SC | South Carolina Area Code(s): 803 843 864 |
| Mayetta | KS | Kansas Area Code(s): 316 620 785 913 |
| Mayfield | KS | Kansas Area Code(s): 316 620 785 913 |
| Mayfield | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mayfield | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mayfield | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mayfield | UT | Utah Area Code(s): 435 801 |
| Mayflower | AR | Arkansas Area Code(s): 479 501 870 |
| Mayhew | MS | Mississippi Area Code(s): 228 601 662 |
| Mayhill | NM | New Mexico Area Code(s): 505 |
| Mayking | KY | Kentucky Area Code(s): 270 502 606 859 |
| Maylene | AL | Alabama Area Code(s): 205 251 256 334 |
| Maynard | AR | Arkansas Area Code(s): 479 501 870 |
| Maynard | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Maynard | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Maynard | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Maynard | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Maynardville | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mayo | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Mayo | MD | Maryland Area Code(s): 301 410 |
| Mayo | SC | South Carolina Area Code(s): 803 843 864 |
| Mayodan | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Maypearl | 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 |
| Mayport | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mays Landing | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mays | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Maysel | WV | West Virginia Area Code(s): 304 |
| Mayslick | KY | Kentucky Area Code(s): 270 502 606 859 |
| Maysville | AR | Arkansas Area Code(s): 479 501 870 |
| Maysville | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Maysville | KY | Kentucky Area Code(s): 270 502 606 859 |
| Maysville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Maysville | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Maysville | OK | Oklahoma Area Code(s): 405 580 918 |
| Maysville | WV | West Virginia Area Code(s): 304 |
| Maytown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mayview | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mayville | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mayville | ND | North Dakota Area Code(s): 701 |
| Mayville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mayville | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Maywood | 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 |
| Maywood | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Maywood | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Maywood | NE | Nebraska Area Code(s): 308 402 |
| Maywood | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mazama | WA | Washington Area Code(s): 206 253 360 425 509 |
| Mazeppa | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Mazie | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mazomanie | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mazon | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mc Adams | MS | Mississippi Area Code(s): 228 601 662 |
| Mc Adenville | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mc Afee | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Mc Alister | NM | New Mexico Area Code(s): 505 |
| Mc Alisterville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Allister | MT | Montana Area Code(s): 406 |
| Mc Alpin | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Mc Andrews | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mc Arthur | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mc Bain | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mc Bee | SC | South Carolina Area Code(s): 803 843 864 |
| Mc Bride | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mc Call Creek | MS | Mississippi Area Code(s): 228 601 662 |
| Mc Calla | AL | Alabama Area Code(s): 205 251 256 334 |
| Mc Callsburg | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mc Camey | 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 |
| Mc Carley | MS | Mississippi Area Code(s): 228 601 662 |
| Mc Carr | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mc Caskill | AR | Arkansas Area Code(s): 479 501 870 |
| Mc Caulley | 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 |
| Mc Causland | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mc Caysville | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mc Clave | CO | Colorado Area Code(s): 303 719 970 |
| Mc Clelland | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mc Clellandtown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Clellanville | SC | South Carolina Area Code(s): 803 843 864 |
| Mc Clure | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mc Clure | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mc Clure | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Clure | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mc Clurg | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mc Coll | SC | South Carolina Area Code(s): 803 843 864 |
| Mc Comb | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mc Condy | MS | Mississippi Area Code(s): 228 601 662 |
| Mc Connell | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mc Connells | SC | South Carolina Area Code(s): 803 843 864 |
| Mc Connellsburg | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Connellstown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Connellsville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mc Connelsville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mc Cook | NE | Nebraska Area Code(s): 308 402 |
| Mc Cool Junction | NE | Nebraska Area Code(s): 308 402 |
| Mc Cool | MS | Mississippi Area Code(s): 228 601 662 |
| Mc Cordsville | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mc Cormick | SC | South Carolina Area Code(s): 803 843 864 |
| Mc Coy | CO | Colorado Area Code(s): 303 719 970 |
| Mc Coy | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mc Cracken | KS | Kansas Area Code(s): 316 620 785 913 |
| Mc Crory | AR | Arkansas Area Code(s): 479 501 870 |
| Mc Cune | KS | Kansas Area Code(s): 316 620 785 913 |
| Mc Cutchenville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mc Dade | 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 |
| Mc Daniels | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mc David | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Mc Dermitt | NV | Nevada Area Code(s): 702 775 |
| Mc Dermott | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mc Donald | KS | Kansas Area Code(s): 316 620 785 913 |
| Mc Donald | NM | New Mexico Area Code(s): 505 |
| Mc Donald | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mc Donald | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Donald | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mc Donough | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mc Dougal | AR | Arkansas Area Code(s): 479 501 870 |
| Mc Dowell | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mc Dowell | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mc Elhattan | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Ewen | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mc Ewensville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Fall | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mc Farlan | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mc Farland | 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 |
| Mc Farland | KS | Kansas Area Code(s): 316 620 785 913 |
| Mc Farland | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mc Gaheysville | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mc Gee | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mc Gehee | AR | Arkansas Area Code(s): 479 501 870 |
| Mc Gill | NV | Nevada Area Code(s): 702 775 |
| Mc Girk | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Mc Grady | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mc Grann | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Grath | AK | Alaska Area Code(s): 907 |
| Mc Grath | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Mc Graw | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mc Graws | WV | West Virginia Area Code(s): 304 |
| Mc Gregor | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mc Gregor | 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 |
| Mc Guffey | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mc Henry | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mc Henry | MD | Maryland Area Code(s): 301 410 |
| Mc Henry | MS | Mississippi Area Code(s): 228 601 662 |
| Mc Indoe Falls | VT | Vermont Area Code(s): 802 |
| Mc Intire | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mc Intosh | AL | Alabama Area Code(s): 205 251 256 334 |
| Mc Intosh | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Mc Intosh | NM | New Mexico Area Code(s): 505 |
| Mc Intosh | SD | South Dakota Area Code(s): 605 |
| Mc Intyre | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mc Intyre | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Kean | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Kee | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mc Kees Rocks | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Keesport | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Kenney | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mc Kenzie | AL | Alabama Area Code(s): 205 251 256 334 |
| Mc Kenzie | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mc Kinney | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mc Kinney | 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 |
| Mc Kinnon | WY | Wyoming Area Code(s): 208 307 |
| Mc Kittrick | 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 |
| Mc Knightstown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Lain | MS | Mississippi Area Code(s): 228 601 662 |
| Mc Laughlin | SD | South Dakota Area Code(s): 605 |
| Mc Lean | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mc Lean | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mc Lean | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mc Leansboro | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mc Leansville | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mc Lemoresville | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mc Leod | MT | Montana Area Code(s): 406 |
| Mc Leod | 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 |
| Mc Louth | KS | Kansas Area Code(s): 316 620 785 913 |
| Mc Millan | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mc Minnville | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Mc Nabb | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mc Naughton | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mc Neal | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Mc Neil | AR | Arkansas Area Code(s): 479 501 870 |
| Mc Neil | 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 |
| Mc Neill | MS | Mississippi Area Code(s): 228 601 662 |
| Mc Quady | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mc Queeney | 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 |
| Mc Rae | AR | Arkansas Area Code(s): 479 501 870 |
| Mc Rae | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mc Roberts | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mc Shan | AL | Alabama Area Code(s): 205 251 256 334 |
| Mc Sherrystown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Veigh | KY | Kentucky Area Code(s): 270 502 606 859 |
| Mc Veytown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mc Williams | AL | Alabama Area Code(s): 205 251 256 334 |
| Mcadoo | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mcadoo | 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 |
| Mcalester | OK | Oklahoma Area Code(s): 405 580 918 |
| Mcallen | 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 |
| Mcarthur | 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 |
| Mcbrides | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mccain | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mccall | ID | Idaho Area Code(s): 208 |
| Mccammon | ID | Idaho Area Code(s): 208 |
| Mcchord Afb | WA | Washington Area Code(s): 206 253 360 425 509 |
| Mccleary | WA | Washington Area Code(s): 206 253 360 425 509 |
| Mcclellan | 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 |
| Mccloud | 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 |
| Mcclusky | ND | North Dakota Area Code(s): 701 |
| Mccomb | MS | Mississippi Area Code(s): 228 601 662 |
| Mcconnell Afb | KS | Kansas Area Code(s): 316 620 785 913 |
| Mccurtain | OK | Oklahoma Area Code(s): 405 580 918 |
| Mccutcheon Field | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mcdaniel | MD | Maryland Area Code(s): 301 410 |
| Mcdonough | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mcfaddin | 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 |
| Mcgregor | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Mcgregor | ND | North Dakota Area Code(s): 701 |
| Mcgrew | NE | Nebraska Area Code(s): 308 402 |
| Mchenry | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mchenry | ND | North Dakota Area Code(s): 701 |
| Mcintosh | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Mckenna | WA | Washington Area Code(s): 206 253 360 425 509 |
| Mckinleyville | 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 |
| Mclean | NE | Nebraska Area Code(s): 308 402 |
| Mclean | 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 |
| Mcleod | ND | North Dakota Area Code(s): 701 |
| Mcloud | OK | Oklahoma Area Code(s): 405 580 918 |
| Mcmechen | WV | West Virginia Area Code(s): 304 |
| Mcminnville | OR | Oregon Area Code(s): 503 541 |
| Mcnary | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Mcpherson | KS | Kansas Area Code(s): 316 620 785 913 |
| Mcville | ND | North Dakota Area Code(s): 701 |
| Meacham | OR | Oregon Area Code(s): 503 541 |
| Mead | CO | Colorado Area Code(s): 303 719 970 |
| Mead | NE | Nebraska Area Code(s): 308 402 |
| Mead | OK | Oklahoma Area Code(s): 405 580 918 |
| Mead | WA | Washington Area Code(s): 206 253 360 425 509 |
| Meade | KS | Kansas Area Code(s): 316 620 785 913 |
| Meador | WV | West Virginia Area Code(s): 304 |
| Meadow Bridge | WV | West Virginia Area Code(s): 304 |
| Meadow Creek | WV | West Virginia Area Code(s): 304 |
| Meadow Grove | NE | Nebraska Area Code(s): 308 402 |
| Meadow Lands | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Meadow 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 |
| Meadow Vista | 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 |
| Meadow | SD | South Dakota Area Code(s): 605 |
| Meadow | 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 |
| Meadow | UT | Utah Area Code(s): 435 801 |
| Meadowbrook | WV | West Virginia Area Code(s): 304 |
| Meadowlands | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Meadows Of Dan | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Meadows | NH | New Hampshire Area Code(s): 603 |
| Meadowview | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Meadview | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Meadville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Meadville | MS | Mississippi Area Code(s): 228 601 662 |
| Meadville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Meally | KY | Kentucky Area Code(s): 270 502 606 859 |
| Means | KY | Kentucky Area Code(s): 270 502 606 859 |
| Meansville | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mears | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Mears | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mebane | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Mecca | 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 |
| Mecca | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mechanic Falls | ME | Maine Area Code(s): 207 |
| Mechanicsburg | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Mechanicsburg | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mechanicsburg | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mechanicstown | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Mechanicsville | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Mechanicsville | MD | Maryland Area Code(s): 301 410 |
| Mechanicsville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mechanicsville | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mechanicville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mecklenburg | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Meckling | SD | South Dakota Area Code(s): 605 |
| Mecosta | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Medanales | NM | New Mexico Area Code(s): 505 |
| Medaryville | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Meddybemps | ME | Maine Area Code(s): 207 |
| Medfield | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Medford | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Medford | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Medford | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Medford | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Medford | OK | Oklahoma Area Code(s): 405 580 918 |
| Medford | OR | Oregon Area Code(s): 503 541 |
| Medford | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Media | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Media | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Mediapolis | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Medical Lake | WA | Washington Area Code(s): 206 253 360 425 509 |
| Medicine Bow | WY | Wyoming Area Code(s): 208 307 |
| Medicine Lake | MT | Montana Area Code(s): 406 |
| Medicine Lodge | KS | Kansas Area Code(s): 316 620 785 913 |
| Medicine Park | OK | Oklahoma Area Code(s): 405 580 918 |
| Medimont | ID | Idaho Area Code(s): 208 |
| Medina | ND | North Dakota Area Code(s): 701 |
| Medina | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Medina | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Medina | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Medina | 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 |
| Medina | WA | Washington Area Code(s): 206 253 360 425 509 |
| Medinah | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Medon | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Medora | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Medora | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Medora | ND | North Dakota Area Code(s): 701 |
| Medusa | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Medway | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Medway | ME | Maine Area Code(s): 207 |
| Medway | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Meeker | CO | Colorado Area Code(s): 303 719 970 |
| Meeker | OK | Oklahoma Area Code(s): 405 580 918 |
| Meers | OK | Oklahoma Area Code(s): 405 580 918 |
| Meeteetse | WY | Wyoming Area Code(s): 208 307 |
| Megargel | AL | Alabama Area Code(s): 205 251 256 334 |
| Megargel | 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 |
| Mehama | OR | Oregon Area Code(s): 503 541 |
| Meherrin | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Mehoopany | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Meigs | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Mekinock | ND | North Dakota Area Code(s): 701 |
| Mekoryuk | AK | Alaska Area Code(s): 907 |
| Melba | ID | Idaho Area Code(s): 208 |
| Melber | KY | Kentucky Area Code(s): 270 502 606 859 |
| Melbeta | NE | Nebraska Area Code(s): 308 402 |
| Melbourne Beach | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Melbourne | AR | Arkansas Area Code(s): 479 501 870 |
| Melbourne | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Melbourne | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Melbourne | KY | Kentucky Area Code(s): 270 502 606 859 |
| Melcher | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Melcroft | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Meldrim | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Melfa | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Melissa | 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 |
| Mellen | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Mellenville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Mellette | SD | South Dakota Area Code(s): 605 |
| Mellott | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Mellwood | AR | Arkansas Area Code(s): 479 501 870 |
| Melmore | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Melrose Park | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Melrose | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Melrose | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Melrose | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Melrose | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Melrose | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Melrose | MT | Montana Area Code(s): 406 |
| Melrose | NM | New Mexico Area Code(s): 505 |
| Melrose | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Melrose | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Melrose | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Melrude | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Melstone | MT | Montana Area Code(s): 406 |
| Melvern | KS | Kansas Area Code(s): 316 620 785 913 |
| Melville | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Melville | MT | Montana Area Code(s): 406 |
| Melville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |