AreaCodeLocations.wiki
Share

7 to 10 Digit Dialing Migration for 80+ Area Codes

With a purpose to meet the technical necessities for the activation by July 16, 2022 of the brand new 988 Nationwide Suicide Prevention and Psychological Well being Disaster hotline, quite a few US numbering plan areas presently having fun with 7 digit dialing for native calls and likewise utilizing 988 as a central workplace code (the three digits we dial after the realm code) must migrate to 10 digit dialing. There may be going to be a permissive dialing interval throughout which individuals residing in cities and cities affected by this modification can get used to the brand new dialing methodology.

7 to 10 digit dialing transition schedule

  • April 24, 2021 – permissive dialing period begins (calls may be dialed using 7 or 10 digits, the latter is encouraged)
  • October 24, 2021 – 10 digit dialing becomes mandatory

List of affected NPAs

StateArea code(s)
Alaska907
Alabama251
Arkansas501
Arizona480, 520, 928
California209, 530, 562, 626, 650, 707, 925, 949, 951
Colorado719, 970
Delaware302
Florida321 (Brevard County), 352, 561, 941
Georgia478, 912
Guam671
Hawaii808
Illinois309, 618, 708
Indiana219, 574
Iowa319, 515
Kansas620, 785
Kentucky859
Louisiana337, 504
Michigan616, 810, 906, 989
Minnesota218, 952
Mississippi662
Missouri314, 417, 660, 816
Montana406
Nevada775
New Hampshire603
New Jersey856, 908
New Mexico505, 575
New York516, 607, 716, 845, 914
North Carolina910
Ohio440, 513
South Dakota605
Tennessee731, 865
Texas254, 361, 409, 806, 830, 915, 940
Vermont802
Virginia276, 804
Washington509
Wisconsin262, 414, 608, 920

See official NANPA planning letter for more information (PDF document).