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The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the telephone country code 1 .
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.
CodeTerritory Or UseDate200not in use; available for non-geographic ...easily recognizable code (ERC)New Jersey ( Bergen County and Hudson ...19471947Southwestern Connecticut ( Bridgeport, ...1947This site provides information about the North American Numbering Plan (NANP) and its administration. The NANP is the numbering plan for the Public Switched Telephone Network for Canada, the US and its territories, and some Caribbean countries.
NPA (Area) Codes. The area served by the NANP is divided into smaller Numbering Plan Areas (NPAs), each identified by a three-digit NPA code, commonly called an area code. For quick information about a specific area code, use the area code search.
This is a list of North American telephone area codes in effect for the North American Numbering Plan (NANP). The area to which an area code is officially assigned is known as a Numbering Plan Area (NPA).
28 de dic. de 2020 · The North American Numbering Plan — also known as the NANP — is a telephone numbering plan that serves 20 North American countries (listed below). The NANP region mainly covers the US and its territories, Canada, and some Caribbean countries.
Extending the life of the 10-digit number system, known as the North American Numbering Plan, through thousands-block number pooling and other measures. Preventing premature exhaustion of numbers in an area code. Overseeing allocation and management of Toll Free numbers. All numbering related proceedings are available via ECFS - search.
