Search results
Results from the WOW.Com Content Network
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits.
In 2015, area code 740 was overlaid with 220, relieving its rapid depletion. In 2016, area code 614 was overlaid with 380 in the Columbus/Central Ohio area for the same reason. In 2020, 326 was added as an all services overlay for 937. Area code 283 was added as an overlay for 513 on April 28, 2023. [2] [3] Area code 436 went into service on ...
Area codes 614 and 380 are telephone area codes in the North American Numbering Plan (NANP) for all or part of four counties in central Ohio, surrounding and including the state capital of Columbus. Area code 614 is one of the original area codes assigned for Ohio in 1947, while area code 380 is an overlay code covering the same territory.
Area code 440 was established on August 16, 1997, in a three-way split of area code 216, one of the original North American area codes, to provide relief from central office prefix exhaustion from increasing popularity of cellular phones and population pressure.
Area code 740 was established by an area code split of area code 614 on November 8, 1997. By the end of 2013, exhaust studies indicated that the 740 area code would run out of telephone numbers sometime in 2015. The Public Utilities Commission of Ohio chose a relief plan by implementing an overlay with new area code 220, effective April 22 ...
This includes all area codes that can also be found in the subcategories. This category lists the telephone area codes in the United States . Area codes in the North American Numbering Plan area may not contain 0 or 1 as the first digit.
The original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, after the demonstration of regional Operator Toll Dialing during the World War II period.
Lists of North American area codes. The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union .