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Required 10-digit dialing

Learn about 10-digit dialing and area codes.


ArticleDETAILED INFO

Learn more about 10-digit dialing

Some states require 10-digit dialing for all outgoing calls. If you make calls from one of these states, you must include the area code in addition to the 7-digit phone number for call to succeed. To avoid problems, you may want to update the contacts in your address book and any stored phone numbers for services such as call forwarding, call screening, and call blocking.

If you live in California area code 408 or 669, you must dial 1 plus the area code and the 7-digit number.

Note: Most 3-digits numbers, such as 911 and 411, don’t require an area code.

States and area codes that require 10-digit dialing
Alabama 205, 251, 256, 334, 938
Alaska 907
Arizona 480, 520, 602, 623, 928
Arkansas 479, 501, 870
California 209, 213, 310, 323, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 747, 760, 805, 818, 831, 858, 909, 916, 925, 949, 951
Colorado 303, 719, 720, 970
Connecticut 203, 475, 860, 959
Delaware 302
Florida 239, 305, 321, 352, 386, 407, 561, 689, 727, 754, 772, 786, 813, 850, 863, 904, 941, 954
Georgia 229, 404, 470, 478, 678, 706, 762, 770, 912
Hawaii 808
Idaho 208, 986
Illinois 217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872
Indiana 219, 260, 317, 574, 765, 812, 930
Iowa 319, 515, 563, 641, 712
Kansas 316, 620, 785, 913
Kentucky 270, 364, 502, 606, 859
Louisiana 225, 318, 337, 504, 985
Maine 207
Maryland 240, 301, 410, 443, 667
Massachusetts 339, 351, 413, 508, 617, 774, 781, 857, 978
Michigan 231, 248, 269, 313, 517, 586, 616, 734, 810, 906, 947, 989
Minnesota 218, 320, 507, 612, 651, 763, 952
Mississippi 228, 601, 662, 769
Missouri 314, 417, 573, 636, 660, 816
Montana 406
Nebraska 308, 402, 531
Nevada 702, 725, 775
New Hampshire 603
New Jersey 201, 551, 609, 732, 848, 856, 862, 908, 973
New Mexico 505, 575
New York 212, 315, 347, 516, 518, 585, 607, 631, 646, 716, 718, 845, 914, 917, 929, 934
North Carolina 252, 336, 704, 743, 828, 910, 919, 980, 984
North Dakota 701
Ohio 216, 220, 234, 330, 380, 419, 440, 513, 567, 614, 740, 937
Oklahoma 405, 539, 580, 918
Oregon 458, 503, 541, 971
Pennsylvania 215, 267, 272, 412, 484, 570, 610, 717, 724, 814, 878
Puerto Rico 787, 939
Rhode Island 401
South Carolina 803, 843, 854, 864
South Dakota 605
Tennessee 423, 615, 731, 629, 865, 901, 931
Texas 210, 214, 254, 281, 325, 346, 361, 409, 430, 432, 469, 512, 682, 713, 737, 806, 817, 830, 832, 903, 915, 936, 940, 956, 972, 979
Utah 385, 435, 801
Vermont 802
Virginia 276, 434, 540, 571, 703, 757, 804
Washington 206, 253, 360, 425, 509
Washington, DC 202
West Virginia 304, 681
Wisconsin 262, 414, 534, 608, 715, 920
Wyoming 307
Toll Free Numbers 800, 844, 855, 866, 877, 888

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