Once in a while, we need to introduce new area codes so we can make more phone numbers available. This is called an area code overlay.
When this happens, you may have to dial your own area code to make a local call.
To ensure a continuing supply of telephone numbers, the new 357 area code will be added to the current 559 area code region. This is known as an area code overlay.
The overlay does not require you to change your existing area code or phone number.
Starting August 26, 2024, you should begin dialing 1+ area code + telephone number whenever you place a call. If you forget and dial just seven digits, your call will still be completed.
Effective February 26, 2025, you must dial 1+ area code + telephone number on all local calls. If you do not dial 1+ area code + telephone number, your calls will not complete and a recording will instruct you to hang up and dial again, including the area code.
Beginning March 26, 2025, new telephone lines or services may be assigned the new 357 area code. If you have a number in the new 357 area code, you must dial 1+ area code + telephone number or the call will not complete.
The California Public Utilities Commission (CPUC) will begin the process to introduce a new area code to the area now served by the 657/714 area code, as the 657/714 area code is expected to be depleted of phone numbers by March 2027. Pending approval by the CPUC, the new area code will be introduced on top of the 657/714 area code using the overlay method.
The CPUC will have a recorded webcast to inform the public about the overlay. Topics to be discussed in the recorded webcast include: (1) History of the 657/714 area code; (2) Area code relief process; (3) Overlay relief method; (4) Effects of the pending overlay; and (5) Implementation periods. The recorded webcast will be available at https://www.cpuc.ca.gov/AreaCodes/ beginning July 19, 2024. Comments about the 657/714 area code overlay may be submitted to the CPUC Public Advisor's Office by e-mail at public.advisor@cpuc.ca.gov, or by postal mail to 320 W. 4th Street, Suite 500, Los Angeles, CA90013 by August 19, 2024. A copy of the webcast presentation slides may be requested by contacting the CPUC Public Advisor's Office by email at public.advisor@cpuc.ca.gov, or by phone at (866) 849-8390.
To ensure a continuing supply of telephone numbers, the Public Utilities Commission of Ohio has approved an all-services overlay for the 440 area code. The 440 area code serves the northern portion of Ohio which includes all or parts of the southern, western, and eastern suburbs of Cleveland. The 440 NPA also includes the larger cities and communities, such as but not limited to, Ashtabula, Eastlake, Elyria, Lorain, Mentor, North Olmsted, North Ridgeville, North Royalton, Parma, Solon, Strongsville, Westlake, and Willoughby. The new 436 area code will serve the same geographic area currently served by the 440 area code.
Beginning March 1, 2024, customers in the 440 area code region may be assigned a number in the new 436 area code when they request new service or an additional line. Customers receiving the 436 area code will be required to dial the area code and phone number for all local calls, just as customers with telephone numbers from the 440 area code do today.
Download a copy of the bill message on your Frontier bill.
Questions? Contact us or visit the Public Utilities Commission of Ohio website.
To ensure a continuing supply of telephone numbers, the new 924 area code will be added to the current 507 area code region. This is known as an area code overlay.
The overlay does not require you to change your existing area code or phone number.
Staring January 30, 2024, you should begin dialing the area code + telephone number whenever you place a call. If you forget and dial just seven digits, your call will still be completed.
Effective July 30, 2024, you must dial the area code + telephone number on all calls, including calls within the 507 area code. if you do not dial the area code + telephone number, your calls will not complete and a recording will instruct you to hang up and dial again, including the area code.
Beginning August 30, 2024, new telephone lines or services may be assigned the new 924 area code. If you have a number in the new 924 area code, you must dial the area code + telephone number or the call will not complete.
Download a copy of the bill message on your Frontier bill
Questions? Contact us or visit the Minnesota Public Utilities Commission website.
To ensure a continuing supply of telephone numbers, the new 821 area code will be added to the current 864 area code region. This is known as an area code overlay.
The overlay does not require you to change your existing area code or phone number.
Staring January 19, 2024, you should begin dialing the area code + telephone number whenever you place a call. If you forget and dial just seven digits, your call will still be completed.
Effective July 19, 2024, you must dial the area code + telephone number on all calls, including calls within the 864 area code. if you do not dial the area code + telephone number, your calls will not complete and a recording will instruct you to hang up and dial again, including the area code.
Beginning August 19, 2024, new telephone lines or services may be assigned the new 821 area code. If you have a number in the new 821 area code, you must dial the area code + telephone number or the call will not complete.
Download a copy of the bill message on your Frontier bill.
Questions? Contact us or visit the Public Service Commission of South Carolina website.
To ensure a continuing supply of new telephone numbers, the New York Public Service Commission has approved an all-services area code overlay for the 716 area code region. The 716 area code is in the western portion of New York and includes all or parts of Allegany, Cattaraugus, Chautauqua, Erie and Niagara counties, and serves communities including, but not limited to, Buffalo, Jamestown, Cheektowaga, Tonawanda, Niagara Falls, and West Seneca. The new 624 area code will serve the same geographic area currently served by the existing 716 area code.
Beginning November 16, 2023, customers in the 716 area code overlay region may be assigned a number in the new 624 area code when they request new service or an additional line. Customers receiving a 624 area code will be required to dial the area code and phone number for all local calls, just as customers with telephone numbers from the 716 area code do today.
Download a copy of the bill message as shown on your Frontier bill.
Questions? Contact us or visit the New York Public Service Commission website at https://dps.ny.gov/telecommunications
To ensure a continuing supply of telephone numbers, the Public Service Commission of Wisconsin has approved an all-services overlay for the 608 area code. The 608 area code serves the southwestern portion of the state including communities such as Beloit, Janesville, La Crosse, Middleton, Monroe, Platteville, Stoughton, Sun Prairie, and Wisconsin Dells. It also serves Madison, the state capitol. The new 353 area code will serve the same geographic area currently served by the 608 area code
Beginning September 15, 2023, customers in the 608 area code region may be assigned a number in the new 353 area code when they request new service or an additional line. Customers receiving the 353 area code will be required to dial the area code and phone number for all local calls, just as customers with telephone numbers from the 608 area code do today.
Download a copy of the bill message as shown on your Frontier bill.
Questions? Contact us or visit the visit the Public Service Commission’s website at: https://psc.wi.gov/Pages/ForConsumers/MoreResources/AreaCodeExhaustion.aspx
To ensure a continuing supply of telephone numbers, the Illinois Commerce Commission has approved an all-services overlay for the 618 area code. The 618 area code serves southern Illinois including the larger cities of Belleville, Granite City, O’Fallon, Alton, East St. Louis, Carbondale, and Collinsville, in addition to many smaller communities. The new 730 area code will serve the same geographic area currently served by the 618 area code.
Beginning July 7, 2023, customers in the 618 area code region may be assigned a number in the new 730 area code when they request new service or an additional line. Customers receiving the 730 area code will be required to dial the area code and phone number for all local calls, just as customers with telephone numbers from the 618 area code do today.
Download a copy of the bill message as shown on your Frontier bill.
Questions? Contact us or visit the Illinois Commerce Commission website at icc.illinois.gov/programs/Area-Codes
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