| City | State | Area Code(s) |
| Hiwasse | AR | Arkansas Area Code(s): 479 501 870 |
| Hiwassee | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Hixson | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Hixton | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Ho Ho Kus | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Hoagland | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Hobart | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Hobart | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hobart | OK | Oklahoma Area Code(s): 405 580 918 |
| Hobart | WA | Washington Area Code(s): 206 253 360 425 509 |
| Hobbs | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Hobbs | NM | New Mexico Area Code(s): 505 |
| Hobbsville | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hobe Sound | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Hobgood | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hoboken | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Hoboken | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Hobson | MT | Montana Area Code(s): 406 |
| Hobson | 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 |
| Hobucken | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hochheim | 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 |
| Hockessin | DE | Delaware Area Code(s): 302 |
| Hockingport | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Hockley | 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 |
| Hodge | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Hodgen | OK | Oklahoma Area Code(s): 405 580 918 |
| Hodgenville | KY | Kentucky Area Code(s): 270 502 606 859 |
| Hodges | AL | Alabama Area Code(s): 205 251 256 334 |
| Hodges | SC | South Carolina Area Code(s): 803 843 864 |
| Hoehne | CO | Colorado Area Code(s): 303 719 970 |
| Hoffman Estates | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hoffman | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hoffman | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Hoffman | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hoffmeister | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hogansburg | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hogansville | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Hogeland | MT | Montana Area Code(s): 406 |
| Hohenwald | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Hoisington | KS | Kansas Area Code(s): 316 620 785 913 |
| Hokah | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Holabird | SD | South Dakota Area Code(s): 605 |
| Holbrook | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Holbrook | ID | Idaho Area Code(s): 208 |
| Holbrook | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Holbrook | NE | Nebraska Area Code(s): 308 402 |
| Holbrook | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Holbrook | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Holcomb | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Holcomb | KS | Kansas Area Code(s): 316 620 785 913 |
| Holcomb | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Holcomb | MS | Mississippi Area Code(s): 228 601 662 |
| Holcombe | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Holden | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Holden | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Holden | ME | Maine Area Code(s): 207 |
| Holden | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Holden | UT | Utah Area Code(s): 435 801 |
| Holden | WV | West Virginia Area Code(s): 304 |
| Holdenville | OK | Oklahoma Area Code(s): 405 580 918 |
| Holder | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Holderness | NH | New Hampshire Area Code(s): 603 |
| Holdingford | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Holdrege | NE | Nebraska Area Code(s): 308 402 |
| Holgate | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Holicong | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Holiday | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Holladay | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Holland Patent | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Holland | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Holland | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Holland | KY | Kentucky Area Code(s): 270 502 606 859 |
| Holland | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Holland | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Holland | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Holland | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Holland | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Holland | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Holland | 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 |
| Hollandale | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Hollandale | MS | Mississippi Area Code(s): 228 601 662 |
| Hollandale | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Hollansburg | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Hollenberg | KS | Kansas Area Code(s): 316 620 785 913 |
| Holley | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Holliday | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Holliday | 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 |
| Hollidaysburg | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hollins | AL | Alabama Area Code(s): 205 251 256 334 |
| Hollis Center | ME | Maine Area Code(s): 207 |
| Hollis | NH | New Hampshire Area Code(s): 603 |
| Hollis | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hollis | OK | Oklahoma Area Code(s): 405 580 918 |
| Hollister | 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 |
| Hollister | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Hollister | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Hollister | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hollister | OK | Oklahoma Area Code(s): 405 580 918 |
| Holliston | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Holloman Air Force Base | NM | New Mexico Area Code(s): 505 |
| Hollow Rock | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Holloway | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Holloway | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Hollowville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hollsopple | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Holly Bluff | MS | Mississippi Area Code(s): 228 601 662 |
| Holly Grove | AR | Arkansas Area Code(s): 479 501 870 |
| Holly Hill | SC | South Carolina Area Code(s): 803 843 864 |
| Holly Pond | AL | Alabama Area Code(s): 205 251 256 334 |
| Holly Ridge | MS | Mississippi Area Code(s): 228 601 662 |
| Holly Ridge | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Holly Springs | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Holly Springs | MS | Mississippi Area Code(s): 228 601 662 |
| Holly Springs | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Holly | CO | Colorado Area Code(s): 303 719 970 |
| Holly | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Hollytree | AL | Alabama Area Code(s): 205 251 256 334 |
| Hollywood | AL | Alabama Area Code(s): 205 251 256 334 |
| Hollywood | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Hollywood | MD | Maryland Area Code(s): 301 410 |
| Hollywood | SC | South Carolina Area Code(s): 803 843 864 |
| Holman | NM | New Mexico Area Code(s): 505 |
| Holmdel | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Holmen | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Holmes Beach | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Holmes City | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Holmes Mill | KY | Kentucky Area Code(s): 270 502 606 859 |
| Holmes | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Holmes | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Holmesville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Holstein | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Holstein | NE | Nebraska Area Code(s): 308 402 |
| Holt | 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 |
| Holt | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Holt | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Holt | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Holton | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Holton | KS | Kansas Area Code(s): 316 620 785 913 |
| Holton | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Holts Summit | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Holtsville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Holtville | 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 |
| Holtwood | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Holualoa | HI | Hawaii Area Code(s): 808 |
| Holy City | 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 |
| Holy Cross | AK | Alaska Area Code(s): 907 |
| Holy Cross | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Holy Trinity | AL | Alabama Area Code(s): 205 251 256 334 |
| Holyoke | CO | Colorado Area Code(s): 303 719 970 |
| Holyoke | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Holyoke | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Holyrood | KS | Kansas Area Code(s): 316 620 785 913 |
| Home | KS | Kansas Area Code(s): 316 620 785 913 |
| Home | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Homedale | ID | Idaho Area Code(s): 208 |
| Homelake | CO | Colorado Area Code(s): 303 719 970 |
| Homeland | 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 |
| Homeland | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Homer City | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Homer | AK | Alaska Area Code(s): 907 |
| Homer | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Homer | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Homer | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Homer | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Homer | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Homer | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Homer | NE | Nebraska Area Code(s): 308 402 |
| Homer | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Homer | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Homerville | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Homerville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Homestead | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Homestead | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Homestead | MT | Montana Area Code(s): 406 |
| Homestead | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hometown | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hometown | WV | West Virginia Area Code(s): 304 |
| Homewood | 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 |
| Homewood | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Homeworth | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Hominy | OK | Oklahoma Area Code(s): 405 580 918 |
| Homosassa Springs | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Homosassa | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Honaker | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Honaunau | HI | Hawaii Area Code(s): 808 |
| Hondo | NM | New Mexico Area Code(s): 505 |
| Hondo | 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 |
| Honea Path | SC | South Carolina Area Code(s): 803 843 864 |
| Honeoye Falls | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Honeoye | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Honesdale | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Honey Brook | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Honey Creek | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Honey Creek | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Honey Grove | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Honey Grove | 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 |
| Honeydew | 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 |
| Honeyville | UT | Utah Area Code(s): 435 801 |
| Honobia | OK | Oklahoma Area Code(s): 405 580 918 |
| Honokaa | HI | Hawaii Area Code(s): 808 |
| Honolulu | HI | Hawaii Area Code(s): 808 |
| Honomu | HI | Hawaii Area Code(s): 808 |
| Honor | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Honoraville | AL | Alabama Area Code(s): 205 251 256 334 |
| Hood River | OR | Oregon Area Code(s): 503 541 |
| Hood | 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 |
| Hood | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Hoodsport | WA | Washington Area Code(s): 206 253 360 425 509 |
| Hooker | OK | Oklahoma Area Code(s): 405 580 918 |
| Hookerton | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hooks | 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 |
| Hooksett | NH | New Hampshire Area Code(s): 603 |
| Hookstown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hoolehua | HI | Hawaii Area Code(s): 808 |
| Hoonah | AK | Alaska Area Code(s): 907 |
| Hoopa | 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 |
| Hooper Bay | AK | Alaska Area Code(s): 907 |
| Hooper | CO | Colorado Area Code(s): 303 719 970 |
| Hooper | NE | Nebraska Area Code(s): 308 402 |
| Hooper | UT | Utah Area Code(s): 435 801 |
| Hooper | WA | Washington Area Code(s): 206 253 360 425 509 |
| Hoopeston | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hoople | ND | North Dakota Area Code(s): 701 |
| Hooppole | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hoosick Falls | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hoosick | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hooven | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Hooversville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hop Bottom | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hopatcong | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Hope Hull | AL | Alabama Area Code(s): 205 251 256 334 |
| Hope Mills | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hope Valley | RI | Rhode Island Area Code(s): 401 |
| Hope | AK | Alaska Area Code(s): 907 |
| Hope | AR | Arkansas Area Code(s): 479 501 870 |
| Hope | ID | Idaho Area Code(s): 208 |
| Hope | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Hope | KS | Kansas Area Code(s): 316 620 785 913 |
| Hope | KY | Kentucky Area Code(s): 270 502 606 859 |
| Hope | ME | Maine Area Code(s): 207 |
| Hope | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Hope | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Hope | ND | North Dakota Area Code(s): 701 |
| Hope | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Hope | NM | New Mexico Area Code(s): 505 |
| Hope | RI | Rhode Island Area Code(s): 401 |
| Hopedale | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hopedale | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Hopedale | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Hopeland | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hopeton | OK | Oklahoma Area Code(s): 405 580 918 |
| Hopewell Junction | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hopewell | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Hopewell | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Hopewell | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hopewell | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Hopkins Park | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hopkins | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Hopkins | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Hopkins | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Hopkins | SC | South Carolina Area Code(s): 803 843 864 |
| Hopkinsville | KY | Kentucky Area Code(s): 270 502 606 859 |
| Hopkinton | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Hopkinton | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Hopkinton | RI | Rhode Island Area Code(s): 401 |
| Hopland | 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 |
| Hopwood | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hoquiam | WA | Washington Area Code(s): 206 253 360 425 509 |
| Horace | ND | North Dakota Area Code(s): 701 |
| Horatio | AR | Arkansas Area Code(s): 479 501 870 |
| Horatio | SC | South Carolina Area Code(s): 803 843 864 |
| Hordville | NE | Nebraska Area Code(s): 308 402 |
| Horicon | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Hormigueros | PR | Puerto Rico Area Code(s): 787 |
| Horn Lake | MS | Mississippi Area Code(s): 228 601 662 |
| Hornbeak | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Hornbeck | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Hornbrook | 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 |
| Hornell | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Horner | WV | West Virginia Area Code(s): 304 |
| Hornersville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Hornick | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Hornitos | 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 |
| Hornsby | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Horntown | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Horse Branch | KY | Kentucky Area Code(s): 270 502 606 859 |
| Horse Cave | KY | Kentucky Area Code(s): 270 502 606 859 |
| Horse Creek | WY | Wyoming Area Code(s): 208 307 |
| Horse Shoe | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Horseheads | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Horsepen | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Horseshoe Beach | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Horseshoe Bend | AR | Arkansas Area Code(s): 479 501 870 |
| Horseshoe Bend | ID | Idaho Area Code(s): 208 |
| Horsham | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hortense | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Horton | AL | Alabama Area Code(s): 205 251 256 334 |
| Horton | KS | Kansas Area Code(s): 316 620 785 913 |
| Horton | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Horton | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Hortonville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hortonville | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Hoschton | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Hosford | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Hoskins | NE | Nebraska Area Code(s): 308 402 |
| Hoskinston | KY | Kentucky Area Code(s): 270 502 606 859 |
| Hosmer | SD | South Dakota Area Code(s): 605 |
| Hospers | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Hosston | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Hostetter | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hot Springs National Park | AR | Arkansas Area Code(s): 479 501 870 |
| Hot Springs Village | AR | Arkansas Area Code(s): 479 501 870 |
| Hot Springs | MT | Montana Area Code(s): 406 |
| Hot Springs | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hot Springs | SD | South Dakota Area Code(s): 605 |
| Hot Springs | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Hot Sulphur Springs | CO | Colorado Area Code(s): 303 719 970 |
| Hotchkiss | CO | Colorado Area Code(s): 303 719 970 |
| Hotevilla | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Houck | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Houghton Lake Heights | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Houghton Lake | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Houghton | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Houghton | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Houghton | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Houghton | SD | South Dakota Area Code(s): 605 |
| Houlka | MS | Mississippi Area Code(s): 228 601 662 |
| Houlton | ME | Maine Area Code(s): 207 |
| Houlton | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Houma | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Housatonic | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| House Springs | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| House | NM | New Mexico Area Code(s): 505 |
| Houston | AK | Alaska Area Code(s): 907 |
| Houston | AL | Alabama Area Code(s): 205 251 256 334 |
| Houston | AR | Arkansas Area Code(s): 479 501 870 |
| Houston | DE | Delaware Area Code(s): 302 |
| Houston | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Houston | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Houston | MS | Mississippi Area Code(s): 228 601 662 |
| Houston | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Houston | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Houston | 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 |
| Houstonia | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Houtzdale | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hoven | SD | South Dakota Area Code(s): 605 |
| Hovland | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Howard Beach | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Howard City | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Howard Lake | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Howard | CO | Colorado Area Code(s): 303 719 970 |
| Howard | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Howard | KS | Kansas Area Code(s): 316 620 785 913 |
| Howard | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Howard | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Howard | SD | South Dakota Area Code(s): 605 |
| Howardsville | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Howe | ID | Idaho Area Code(s): 208 |
| Howe | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Howe | OK | Oklahoma Area Code(s): 405 580 918 |
| Howe | 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 |
| Howell | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Howell | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Howell | UT | Utah Area Code(s): 435 801 |
| Howells | NE | Nebraska Area Code(s): 308 402 |
| Howells | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Howes Cave | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Howes | SD | South Dakota Area Code(s): 605 |
| Howey In The Hills | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Howland | ME | Maine Area Code(s): 207 |
| Hoxie | AR | Arkansas Area Code(s): 479 501 870 |
| Hoxie | KS | Kansas Area Code(s): 316 620 785 913 |
| Hoyleton | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hoyt Lakes | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Hoyt | KS | Kansas Area Code(s): 316 620 785 913 |
| Hoyt | OK | Oklahoma Area Code(s): 405 580 918 |
| Hoytville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Huachuca City | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Hualapai | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Hubbard Lake | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Hubbard | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Hubbard | NE | Nebraska Area Code(s): 308 402 |
| Hubbard | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Hubbard | OR | Oregon Area Code(s): 503 541 |
| Hubbard | 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 |
| Hubbardston | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Hubbardston | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Hubbardsville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hubbell | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Hubbell | NE | Nebraska Area Code(s): 308 402 |
| Hubert | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hubertus | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Huddleston | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Huddy | KY | Kentucky Area Code(s): 270 502 606 859 |
| Hudgins | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Hudson Falls | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hudson | CO | Colorado Area Code(s): 303 719 970 |
| Hudson | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Hudson | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Hudson | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hudson | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Hudson | KS | Kansas Area Code(s): 316 620 785 913 |
| Hudson | KY | Kentucky Area Code(s): 270 502 606 859 |
| Hudson | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Hudson | ME | Maine Area Code(s): 207 |
| Hudson | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Hudson | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hudson | NH | New Hampshire Area Code(s): 603 |
| Hudson | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hudson | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Hudson | SD | South Dakota Area Code(s): 605 |
| Hudson | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Hudson | WY | Wyoming Area Code(s): 208 307 |
| Hudsonville | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Huey | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hueysville | KY | Kentucky Area Code(s): 270 502 606 859 |
| Huffman | 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 |
| Hufsmith | 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 |
| Huger | SC | South Carolina Area Code(s): 803 843 864 |
| Huggins | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Hughes Springs | 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 |
| Hughes | AK | Alaska Area Code(s): 907 |
| Hughes | AR | Arkansas Area Code(s): 479 501 870 |
| Hugheston | WV | West Virginia Area Code(s): 304 |
| Hughesville | MD | Maryland Area Code(s): 301 410 |
| Hughesville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Hughesville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hughson | 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 |
| Hughsonville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hugo | CO | Colorado Area Code(s): 303 719 970 |
| Hugo | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Hugo | OK | Oklahoma Area Code(s): 405 580 918 |
| Hugoton | KS | Kansas Area Code(s): 316 620 785 913 |
| Huguenot | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hulbert | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Hulbert | OK | Oklahoma Area Code(s): 405 580 918 |
| Hulen | KY | Kentucky Area Code(s): 270 502 606 859 |
| Hulett | WY | Wyoming Area Code(s): 208 307 |
| Huletts Landing | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hull | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Hull | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Hull | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hull | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Hull | 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 |
| Hulls Cove | ME | Maine Area Code(s): 207 |
| Humacao | PR | Puerto Rico Area Code(s): 787 |
| Humansville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Humarock | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Humbird | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Humble | 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 |
| Humboldt | AZ | Arizona Area Code(s): 480 520 602 623 928 |
| Humboldt | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Humboldt | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Humboldt | KS | Kansas Area Code(s): 316 620 785 913 |
| Humboldt | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Humboldt | NE | Nebraska Area Code(s): 308 402 |
| Humboldt | SD | South Dakota Area Code(s): 605 |
| Humboldt | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Hume | 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 |
| Hume | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hume | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Hume | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hume | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Humeston | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Hummels Wharf | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hummelstown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Humnoke | AR | Arkansas Area Code(s): 479 501 870 |
| Humphrey | AR | Arkansas Area Code(s): 479 501 870 |
| Humphrey | NE | Nebraska Area Code(s): 308 402 |
| Humphreys | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Humptulips | WA | Washington Area Code(s): 206 253 360 425 509 |
| Hundred | WV | West Virginia Area Code(s): 304 |
| Hungerford | 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 |
| Hungry Horse | MT | Montana Area Code(s): 406 |
| Hunker | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hunlock Creek | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hunnewell | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Hunt Valley | MD | Maryland Area Code(s): 301 410 |
| Hunt | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hunt | 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 |
| Hunter | AR | Arkansas Area Code(s): 479 501 870 |
| Hunter | KS | Kansas Area Code(s): 316 620 785 913 |
| Hunter | ND | North Dakota Area Code(s): 701 |
| Hunter | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hunter | OK | Oklahoma Area Code(s): 405 580 918 |
| Hunters | WA | Washington Area Code(s): 206 253 360 425 509 |
| Huntersville | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Huntertown | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Huntingburg | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Huntingdon Valley | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Huntingdon | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Huntingdon | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Huntington 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 |
| Huntington Mills | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Huntington 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 |
| Huntington Station | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Huntington Woods | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Huntington | AR | Arkansas Area Code(s): 479 501 870 |
| Huntington | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Huntington | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Huntington | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Huntington | OR | Oregon Area Code(s): 503 541 |
| Huntington | 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 |
| Huntington | UT | Utah Area Code(s): 435 801 |
| Huntington | VT | Vermont Area Code(s): 802 |
| Huntington | WV | West Virginia Area Code(s): 304 |
| Huntingtown | MD | Maryland Area Code(s): 301 410 |
| Huntland | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Huntley | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Huntley | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Huntley | MT | Montana Area Code(s): 406 |
| Huntley | WY | Wyoming Area Code(s): 208 307 |
| Huntly | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Huntsburg | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Huntsville | AL | Alabama Area Code(s): 205 251 256 334 |
| Huntsville | AR | Arkansas Area Code(s): 479 501 870 |
| Huntsville | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Huntsville | KY | Kentucky Area Code(s): 270 502 606 859 |
| Huntsville | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Huntsville | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Huntsville | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Huntsville | 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 |
| Huntsville | UT | Utah Area Code(s): 435 801 |
| Hurdland | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Hurdle Mills | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Hurdsfield | ND | North Dakota Area Code(s): 701 |
| Hurlburt Field | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Hurley | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Hurley | MS | Mississippi Area Code(s): 228 601 662 |
| Hurley | NM | New Mexico Area Code(s): 505 |
| Hurley | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hurley | SD | South Dakota Area Code(s): 605 |
| Hurley | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Hurley | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Hurleyville | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hurlock | MD | Maryland Area Code(s): 301 410 |
| Huron | 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 |
| Huron | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Huron | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Huron | SD | South Dakota Area Code(s): 605 |
| Huron | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Hurricane Mills | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Hurricane | UT | Utah Area Code(s): 435 801 |
| Hurricane | WV | West Virginia Area Code(s): 304 |
| Hurst | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Hurst | 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 |
| Hurt | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Hurtsboro | AL | Alabama Area Code(s): 205 251 256 334 |
| Huslia | AK | Alaska Area Code(s): 907 |
| Huson | MT | Montana Area Code(s): 406 |
| Husser | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Hustisford | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Hustle | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Hustler | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Huston | ID | Idaho Area Code(s): 208 |
| Hustontown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hustonville | KY | Kentucky Area Code(s): 270 502 606 859 |
| Husum | WA | Washington Area Code(s): 206 253 360 425 509 |
| Hutchins | 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 |
| Hutchinson | KS | Kansas Area Code(s): 316 620 785 913 |
| Hutchinson | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Hutchinson | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hutsonville | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Huttig | AR | Arkansas Area Code(s): 479 501 870 |
| Hutto | 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 |
| Huttonsville | WV | West Virginia Area Code(s): 304 |
| Huxford | AL | Alabama Area Code(s): 205 251 256 334 |
| Huxley | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Hyampom | 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 |
| Hyannis Port | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Hyannis | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Hyannis | NE | Nebraska Area Code(s): 308 402 |
| Hyattsville | MD | Maryland Area Code(s): 301 410 |
| Hyattville | WY | Wyoming Area Code(s): 208 307 |
| Hydaburg | AK | Alaska Area Code(s): 907 |
| Hyde Park | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Hyde Park | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Hyde Park | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hyde Park | UT | Utah Area Code(s): 435 801 |
| Hyde Park | VT | Vermont Area Code(s): 802 |
| Hyde | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hyden | KY | Kentucky Area Code(s): 270 502 606 859 |
| Hyder | AK | Alaska Area Code(s): 907 |
| Hydes | MD | Maryland Area Code(s): 301 410 |
| Hydesville | 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 |
| Hydetown | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hydeville | VT | Vermont Area Code(s): 802 |
| Hydro | OK | Oklahoma Area Code(s): 405 580 918 |
| Hye | 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 |
| Hygiene | CO | Colorado Area Code(s): 303 719 970 |
| Hymera | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Hyndman | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hyner | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Hyrum | UT | Utah Area Code(s): 435 801 |
| Hysham | MT | Montana Area Code(s): 406 |
| Iaeger | WV | West Virginia Area Code(s): 304 |
| Ibapah | UT | Utah Area Code(s): 435 801 |
| Iberia | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Iberia | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Icard | NC | North Carolina Area Code(s): 252 336 704 828 910 919 |
| Ickesburg | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Ida Grove | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Ida | AR | Arkansas Area Code(s): 479 501 870 |
| Ida | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Ida | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Idabel | OK | Oklahoma Area Code(s): 405 580 918 |
| Idaho City | ID | Idaho Area Code(s): 208 |
| Idaho Falls | ID | Idaho Area Code(s): 208 |
| Idaho Springs | CO | Colorado Area Code(s): 303 719 970 |
| Idalia | CO | Colorado Area Code(s): 303 719 970 |
| Idalou | 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 |
| Idamay | WV | West Virginia Area Code(s): 304 |
| Idanha | OR | Oregon Area Code(s): 503 541 |
| Idaville | IN | Indiana Area Code(s): 219 260 317 574 765 812 |
| Idaville | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Ideal | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Ideal | SD | South Dakota Area Code(s): 605 |
| Ider | AL | Alabama Area Code(s): 205 251 256 334 |
| Idledale | CO | Colorado Area Code(s): 303 719 970 |
| Idlewild | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Idlewild | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Idleyld Park | OR | Oregon Area Code(s): 503 541 |
| Idyllwild | 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 |
| Ignacio | CO | Colorado Area Code(s): 303 719 970 |
| Igo | 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 |
| Ihlen | MN | Minnesota Area Code(s): 218 320 507 612 651 763 952 |
| Ijamsville | MD | Maryland Area Code(s): 301 410 |
| Ikes Fork | WV | West Virginia Area Code(s): 304 |
| Ila | GA | Georgia Area Code(s): 229 404 478 706 770 912 |
| Ilfeld | NM | New Mexico Area Code(s): 505 |
| Iliamna | AK | Alaska Area Code(s): 907 |
| Iliff | CO | Colorado Area Code(s): 303 719 970 |
| Ilion | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Illinois City | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Illiopolis | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Ilwaco | WA | Washington Area Code(s): 206 253 360 425 509 |
| Imbler | OR | Oregon Area Code(s): 503 541 |
| Imboden | AR | Arkansas Area Code(s): 479 501 870 |
| Imlay City | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Imlay | NV | Nevada Area Code(s): 702 775 |
| Imlaystown | NJ | New Jersey Area Code(s): 201 609 732 856 908 973 |
| Imler | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Immaculata | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Immokalee | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Imnaha | OR | Oregon Area Code(s): 503 541 |
| Imogene | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Imperial 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 |
| Imperial | 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 |
| Imperial | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Imperial | NE | Nebraska Area Code(s): 308 402 |
| Imperial | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Imperial | 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 |
| Ina | IL | Illinois Area Code(s): 217 309 312 618 630 708 773 815 847 |
| Inarajan | GU | Guam Area Code(s): 671 |
| Inavale | NE | Nebraska Area Code(s): 308 402 |
| Inchelium | WA | Washington Area Code(s): 206 253 360 425 509 |
| Incline Village | NV | Nevada Area Code(s): 702 775 |
| Independence | 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 |
| Independence | IA | Iowa Area Code(s): 319 515 563 641 712 |
| Independence | KS | Kansas Area Code(s): 316 620 785 913 |
| Independence | KY | Kentucky Area Code(s): 270 502 606 859 |
| Independence | LA | Louisiana Area Code(s): 225 318 337 504 985 |
| Independence | MO | Missouri Area Code(s): 314 417 573 636 660 816 |
| Independence | MS | Mississippi Area Code(s): 228 601 662 |
| Independence | OH | Ohio Area Code(s): 216 330 419 440 513 614 740 859 937 |
| Independence | OR | Oregon Area Code(s): 503 541 |
| Independence | VA | Virginia Area Code(s): 276 434 540 703 757 804 |
| Independence | WI | Wisconsin Area Code(s): 262 414 608 715 920 |
| Independence | WV | West Virginia Area Code(s): 304 |
| Index | WA | Washington Area Code(s): 206 253 360 425 509 |
| Indiahoma | OK | Oklahoma Area Code(s): 405 580 918 |
| Indialantic | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Indian Head | MD | Maryland Area Code(s): 301 410 |
| Indian Head | PA | Pennsylvania Area Code(s): 215 412 570 610 717 724 814 |
| Indian Hills | CO | Colorado Area Code(s): 303 719 970 |
| Indian Lake Estates | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |
| Indian Lake | NY | New York Area Code(s): 212 315 516 518 585 607 631 716 718 845 914 |
| Indian Mound | TN | Tennessee Area Code(s): 423 615 731 865 901 931 |
| Indian Orchard | MA | Massachusetts Area Code(s): 413 508 617 781 978 |
| Indian River | MI | Michigan Area Code(s): 231 248 269 313 517 586 616 734 810 906 989 |
| Indian Rocks Beach | FL | Florida Area Code(s): 239 305 321 352 386 407 561 727 772 813 850 863 904 941 954 |