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Important Notice: Mandatory 10-Digit Dialing Coming to Multiple States/Area Codes

Alaska 907 Minnesota 218, 952
Alabama 251 Mississippi 662
Arkansas 501 Missouri 314, 417, 660, 816
Arizona 480, 520, 928 Montana 406
California 209, 530, 562, 626, 650, 707, 925, 949, 951 Nevada 775
Colorado 719, 970 New Hampshire 603
Delaware 302 New Jersey 856, 908
Florida 321(Brevard County), 352, 561, 941 New Mexico 505, 575
Georgia 478, 912 New York 516, 607, 716, 845, 914
Guam 671 North Carolina 910
Hawaii 808 Ohio 440, 513
Illinois 309, 618, 708 South Dakota 605
Indiana 219, 574 Tennessee 731, 865
Iowa 319, 515 Texas 254, 361,409, 806,830, 915, 940
Kansas 620, 785 Vermont 802
Kentucky 859 Virginia 276, 804
Louisiana 337, 504 Washington 509
Michigan 616, 810, 906, 989 Wisconsin 262, 414, 608, 920

The Federal Communications Commission (FCC) has adopted 988 as a new three-digit number to be used nationwide to reach the National Suicide Prevention and Mental Health Crisis Lifeline, starting July 16, 2022. Customers must continue to dial 1-800-273-TALK to reach the Lifeline until July 16, 2022.


In order for 988 to work in your area code, 10-digit local dialing must first be implemented. If your area code is included in the list above, you will need to change the way you dial local calls.


What will be the new dialing procedure?

To complete all local calls, you will now need to dial area code + telephone number. This applies to all calls within your area code that are currently dialed with seven digits.


Who will be affected?

Anyone with a telephone number from your area code will need to make this change from 7-digit local dialing to 10-digit local dialing.


When will the change begin?

Beginning April 24, 2021, you should begin dialing 10 digits (area code + telephone number) for all local calls. If you forget and dial just 7 digits, your call will still be completed.


Beginning October 27, 2021, you must dial 10-digits (area code + telephone number) for all local calls. On and after this date, local calls dialed with only 7-digits may not be completed, and a recording will inform you that your call cannot be completed as dialed. You must hang up and dial again using the area code and the 7-digit number.


Beginning July 16, 2022, dialing “988” will route your call to National Suicide Prevention and Mental Health Crisis Lifeline.


What will you need to do?

In addition to changing the way you dial local calls, all services, automatic dialing equipment, or other types of equipment that are programmed to complete calls to 7-digit local numbers will need to be reprogrammed to complete calls to 10-digit numbers. Some examples are life safety systems or medical monitoring devices, PBXs, fax machines, Internet dial-up numbers, fire or burglar alarm and security systems or gates, speed dialers, mobile or other wireless phone contact lists, call forwarding settings, voicemail services and other similar functions. Be sure to check your website, personal and business stationery, advertising materials, personal and business checks, contact information, your personal or pet ID tags, and other such items to ensure the area code is included.


What will remain the same?

• Your telephone number, including current area code, will not change.

• The price of a call, coverage area, or other rates and services will not change due to the dialing change.

• What is a local call now will remain a local call regardless of the number of digits dialed.

• You will continue to dial 1+ area code + telephone number for all long distance calls.

• You can still dial just three digits to reach 711 (relay services) and 911 (emergency services).

• Any 211, 311, 411, 511, 611, or 811 services available in your community can still be reached by dialing their three-digit codes.

• The National Suicide Prevention Lifeline can still be reached by dialing 1-800-273-TALK (8255).


Who may you contact with questions?

If you have any questions regarding information provided in this notice, please call DFT Communications at 716-673-3000 or access for more information. You can also visit the FCC website at


Click here for answers to frequently asked questions about the 10-digit dialing mandate.