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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
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 initial Nationwide Numbering Plan of 1947 established eighty-six numbering plan areas (NPAs) that conformed mainly to existing U.S. state and Canadian provincial boundaries, though fifteen states and provinces were subdivided further. Forty NPAs were mapped to entire states or provinces.
National telephone numbers are defined by national or regional numbering plans, such as the European Telephony Numbering Space, the North American Numbering Plan (NANP), or the UK number plan. Within a national numbering plan, a complete destination telephone number is typically composed of an area code and a subscriber telephone number.
The North American Numbering Plan ( NANP) is a telephone numbering plan. It includes 24 countries and territories, including the United States, Canada, Bermuda, and 17 nations of the Caribbean. [1] [2] There are three-digit area codes and seven-digit telephone numbers.
In the 1940s, the American Telephone and Telegraph Company (AT&T) devised the first comprehensive continental telephone numbering plan to implement destination routing in Operator Toll Dialing with the goal of speeding the connection times in long-distance telephony.
The North American Numbering Plan (NANP) is an integrated telephone numbering plan serving 20 North American countries that share its resources. These countries include the United States and its territories, Canada, Bermuda, Anguilla, Antigua & Barbuda, the Bahamas, Barbados, the British Virgin Islands, the Cayman Islands, Dominica, the ...
This 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.
The North American Numbering Plan (NANP) is an integrated telephone numbering plan serving 20 North American countries that share its resources.
