2XX Area Code
- 201 Area CodeNew Jersey
- 202 Area CodeDistrict of Columbia
- 203 Area CodeConnecticut
- 205 Area CodeAlabama
- 206 Area CodeWashington
- 207 Area CodeMaine
- 208 Area CodeIdaho
- 209 Area CodeCalifornia
- 210 Area CodeTexas
- 212 Area CodeNew York
- 213 Area CodeCalifornia
- 214 Area CodeTexas
- 215 Area CodePennsylvania
- 216 Area CodeOhio
- 217 Area CodeIllinois
- 218 Area CodeMinnesota
- 219 Area CodeIndiana
- 224 Area CodeIllinois
- 225 Area CodeLouisiana
- 228 Area CodeMississippi
- 229 Area CodeGeorgia
- 231 Area CodeMichigan
- 234 Area CodeOhio
- 239 Area CodeFlorida
- 240 Area CodeMaryland
- 248 Area CodeMichigan
- 251 Area CodeAlabama
- 252 Area CodeNorth Carolina
- 253 Area CodeWashington
- 254 Area CodeTexas
- 256 Area CodeAlabama
- 260 Area CodeIndiana
- 262 Area CodeWisconsin
- 267 Area CodePennsylvania
- 269 Area CodeMichigan
- 270 Area CodeKentucky
- 276 Area CodeVirginia
- 281 Area CodeTexas
3XX Area Code
- 301 Area CodeMaryland
- 302 Area CodeDelaware
- 303 Area CodeColorado
- 304 Area CodeWest Virginia
- 305 Area CodeFlorida
- 307 Area CodeWyoming
- 308 Area CodeNebraska
- 309 Area CodeIllinois
- 310 Area CodeCalifornia
- 312 Area CodeIllinois
- 313 Area CodeMichigan
- 314 Area CodeMissouri
- 315 Area CodeNew York
- 316 Area CodeKansas
- 317 Area CodeIndiana
- 318 Area CodeLouisiana
- 319 Area CodeIowa
- 320 Area CodeMinnesota
- 321 Area CodeFlorida
- 323 Area CodeCalifornia
- 325 Area CodeTexas
- 330 Area CodeOhio
- 331 Area CodeIllinois
- 334 Area CodeAlabama
- 336 Area CodeNorth Carolina
- 337 Area CodeLouisiana
- 339 Area CodeMassachusetts
- 346 Area CodeTexas
- 347 Area CodeNew York
- 351 Area CodeMassachusetts
- 352 Area CodeFlorida
- 360 Area CodeWashington
- 361 Area CodeTexas
- 385 Area CodeUtah
- 386 Area CodeFlorida
4XX Area Code
- 401 Area CodeRhode Island
- 402 Area CodeNebraska
- 404 Area CodeGeorgia
- 405 Area CodeOklahoma
- 406 Area CodeMontana
- 407 Area CodeFlorida
- 408 Area CodeCalifornia
- 409 Area CodeTexas
- 410 Area CodeMaryland
- 412 Area CodePennsylvania
- 413 Area CodeMassachusetts
- 414 Area CodeWisconsin
- 415 Area CodeCalifornia
- 417 Area CodeMissouri
- 419 Area CodeOhio
- 423 Area CodeTennessee
- 424 Area CodeCalifornia
- 425 Area CodeWashington
- 430 Area CodeTexas
- 432 Area CodeTexas
- 434 Area CodeVirginia
- 435 Area CodeUtah
- 440 Area CodeOhio
- 442 Area CodeCalifornia
- 443 Area CodeMaryland
- 458 Area CodeOregon
- 469 Area CodeTexas
- 470 Area CodeGeorgia
- 475 Area CodeConnecticut
- 478 Area CodeGeorgia
- 479 Area CodeArkansas
- 480 Area CodeArizona
- 484 Area CodePennsylvania
5XX Area Code
- 501 Area CodeArkansas
- 502 Area CodeKentucky
- 503 Area CodeOregon
- 504 Area CodeLouisiana
- 505 Area CodeNew Mexico
- 507 Area CodeMinnesota
- 508 Area CodeMassachusetts
- 509 Area CodeWashington
- 510 Area CodeCalifornia
- 512 Area CodeTexas
- 513 Area CodeOhio
- 515 Area CodeIowa
- 516 Area CodeNew York
- 517 Area CodeMichigan
- 518 Area CodeNew York
- 520 Area CodeArizona
- 530 Area CodeCalifornia
- 534 Area CodeWisconsin
- 539 Area CodeOklahoma
- 540 Area CodeVirginia
- 541 Area CodeOregon
- 551 Area CodeNew Jersey
- 559 Area CodeCalifornia
- 561 Area CodeFlorida
- 562 Area CodeCalifornia
- 563 Area CodeIowa
- 567 Area CodeOhio
- 570 Area CodePennsylvania
- 571 Area CodeVirginia
- 573 Area CodeMissouri
- 574 Area CodeIndiana
- 575 Area CodeNew Mexico
- 580 Area CodeOklahoma
- 585 Area CodeNew York
- 586 Area CodeMichigan
6XX Area Code
- 601 Area CodeMississippi
- 602 Area CodeArizona
- 603 Area CodeNew Hampshire
- 605 Area CodeSouth Dakota
- 606 Area CodeKentucky
- 607 Area CodeNew York
- 608 Area CodeWisconsin
- 609 Area CodeNew Jersey
- 610 Area CodePennsylvania
- 612 Area CodeMinnesota
- 614 Area CodeOhio
- 615 Area CodeTennessee
- 616 Area CodeMichigan
- 617 Area CodeMassachusetts
- 618 Area CodeIllinois
- 619 Area CodeCalifornia
- 620 Area CodeKansas
- 623 Area CodeArizona
- 626 Area CodeCalifornia
- 630 Area CodeIllinois
- 631 Area CodeNew York
- 636 Area CodeMissouri
- 641 Area CodeIowa
- 646 Area CodeNew York
- 650 Area CodeCalifornia
- 651 Area CodeMinnesota
- 657 Area CodeCalifornia
- 660 Area CodeMissouri
- 661 Area CodeCalifornia
- 662 Area CodeMississippi
- 667 Area CodeMaryland
- 669 Area CodeCalifornia
- 678 Area CodeGeorgia
- 681 Area CodeWest Virginia
- 682 Area CodeTexas
7XX Area Code
- 701 Area CodeNorth Dakota
- 702 Area CodeNevada
- 703 Area CodeVirginia
- 704 Area CodeNorth Carolina
- 706 Area CodeGeorgia
- 707 Area CodeCalifornia
- 708 Area CodeIllinois
- 712 Area CodeIowa
- 713 Area CodeTexas
- 714 Area CodeCalifornia
- 715 Area CodeWisconsin
- 716 Area CodeNew York
- 717 Area CodePennsylvania
- 718 Area CodeNew York
- 719 Area CodeColorado
- 720 Area CodeColorado
- 724 Area CodePennsylvania
- 725 Area CodeNevada
- 727 Area CodeFlorida
- 731 Area CodeTennessee
- 732 Area CodeNew Jersey
- 734 Area CodeMichigan
- 737 Area CodeTexas
- 740 Area CodeOhio
- 747 Area CodeCalifornia
- 754 Area CodeFlorida
- 757 Area CodeVirginia
- 760 Area CodeCalifornia
- 762 Area CodeGeorgia
- 763 Area CodeMinnesota
- 765 Area CodeIndiana
- 769 Area CodeMississippi
- 770 Area CodeGeorgia
- 772 Area CodeFlorida
- 773 Area CodeIllinois
- 774 Area CodeMassachusetts
- 775 Area CodeNevada
- 779 Area CodeIllinois
- 781 Area CodeMassachusetts
- 785 Area CodeKansas
- 786 Area CodeFlorida
8XX Area Code
- 801 Area CodeUtah
- 802 Area CodeVermont
- 803 Area CodeSouth Carolina
- 804 Area CodeVirginia
- 805 Area CodeCalifornia
- 806 Area CodeTexas
- 808 Area CodeHawaii
- 810 Area CodeMichigan
- 812 Area CodeIndiana
- 813 Area CodeFlorida
- 814 Area CodePennsylvania
- 815 Area CodeIllinois
- 816 Area CodeMissouri
- 817 Area CodeTexas
- 818 Area CodeCalifornia
- 828 Area CodeNorth Carolina
- 830 Area CodeTexas
- 831 Area CodeCalifornia
- 832 Area CodeTexas
- 843 Area CodeSouth Carolina
- 845 Area CodeNew York
- 847 Area CodeIllinois
- 848 Area CodeNew Jersey
- 850 Area CodeFlorida
- 856 Area CodeNew Jersey
- 857 Area CodeMassachusetts
- 858 Area CodeCalifornia
- 859 Area CodeKentucky
- 860 Area CodeConnecticut
- 862 Area CodeNew Jersey
- 863 Area CodeFlorida
- 864 Area CodeSouth Carolina
- 865 Area CodeTennessee
- 870 Area CodeArkansas
- 872 Area CodeIllinois
- 878 Area CodePennsylvania
9XX Area Code
- 901 Area CodeTennessee
- 903 Area CodeTexas
- 904 Area CodeFlorida
- 906 Area CodeMichigan
- 907 Area CodeAlaska
- 908 Area CodeNew Jersey
- 909 Area CodeCalifornia
- 910 Area CodeNorth Carolina
- 912 Area CodeGeorgia
- 913 Area CodeKansas
- 914 Area CodeNew York
- 915 Area CodeTexas
- 916 Area CodeCalifornia
- 917 Area CodeNew York
- 918 Area CodeOklahoma
- 919 Area CodeNorth Carolina
- 920 Area CodeWisconsin
- 925 Area CodeCalifornia
- 928 Area CodeArizona
- 929 Area CodeNew York
- 931 Area CodeTennessee
- 936 Area CodeTexas
- 937 Area CodeOhio
- 938 Area CodeAlabama
- 940 Area CodeTexas
- 941 Area CodeFlorida
- 947 Area CodeMichigan
- 949 Area CodeCalifornia
- 951 Area CodeCalifornia
- 952 Area CodeMinnesota
- 954 Area CodeFlorida
- 956 Area CodeTexas
- 970 Area CodeColorado
- 971 Area CodeOregon
- 972 Area CodeTexas
- 973 Area CodeNew Jersey
- 978 Area CodeMassachusetts
- 979 Area CodeTexas
- 980 Area CodeNorth Carolina
- 984 Area CodeNorth Carolina
- 985 Area CodeLouisiana
- 989 Area CodeMichigan