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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.
Als North American Numbering Plan ( NANP; deutsch: nordamerikanischer Nummerierungsplan) bezeichnet man ein System dreistelliger Vorwahlen bzw. zehnstelliger Telefonnummern, das vor allem in den USA, Kanada und vielen karibischen und einigen pazifischen Staaten verwendet wird. Alle NANP-Staaten haben die gleiche, gemeinsame internationale ...
AT&T developed the North American Numbering Plan in 1947 to simplify and facilitate direct dialing of long distance calls. Implementation of the plan began in 1951. The International Telecommunications Union (ITU) assigned country code "1" to the NANP area. The NANP conforms with ITU Recommendation E.164, the international standard for ...
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. Transition to 10-Digit dialing for 988 More Information NANPA Web Guide NANPA Help Desk.
3 dic 2012 · The North American Numbering Plan (NANP) is the basic numbering scheme permitting interoperable telecommunications services within the U.S., Canada, Bermuda, and most of the Caribbean.Section 251 (e) (1) of the Act required the Commission to create or designate one or more impartial entities to administer telecommunications numbering and to ...
The original configuration of the North American Numbering Plan assigned eighty-six area codes in October 1947, one each to every numbering plan area. The territories of the United States, which included Alaska, and Hawaii, did not receive area codes at first, nor did the territories of Canada or Newfoundland and Labrador, which was a British ...
The expansion of the North American Numbering Plan (NANP) is the anticipated requirement for providing more telephone numbers to accommodate future needs beyond the pool of ten-digit telephone numbers. Ten-digit telephone numbers have been in use in the United States and Canada in long-distance telephone service since the 1950s.
