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Seven-digit dialing is a telephone dialing procedure customary in some territories of the North American Numbering Plan (NANP) for dialing telephone numbers in the same numbering plan area (NPA). NANP telephone numbers consist of ten digits, of which the leading three are the area code.
Oct 19, 2021 · Seven-digit dialing is out, 10-digit dialing is in. Starting Sunday, Oct. 24, callers in 82 area codes across 35 states and one U.S. territory will be required to use their three-digit...
What is Ten-Digit Dialing? A 10-digit dialed telephone call requires entering both the three-digit area code and the seven-digit telephone number to complete the call, even if the area code is the same area code as your own. When an area code transitions to 10-digit dialing, you will no longer be able to dial only seven digits to make a local call.
7-digit local dialing to 10-digit local dialing. When will the change begin? • Beginning October 24, 2021, consumers should dial 10-digits (area code + telephone number) for all local calls. Some providers have already implemented 10-digit dialing and some are phasing in 10-digit dialing between October 24, 2021 and July 15, 2022. On July 15 ...
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Each telephone is assigned a seven-digit telephone number unique only within its respective numbering plan area. The telephone number consists of a three-digit central office (or exchange) code and a four-digit station number.
Today, 7-digit dialing is broken in most major cities. The few major cities where 10-digit dialing is not required include Detroit, El Paso, Jacksonville, Louisville, Memphis, Milwaukee and Oklahoma City. Many areas not served by an overlay can still use 7-digit dialing.
The ten digits used for local calls (AAA XXX XXXX or 0AA XXX XXXX) consist of a 3-digit area/type code (the first digit in the area/type code is a trunk prefix) followed by seven digits. All area codes, including mobile numbers, start with a "0" (trunk prefix) for domestic calls.
