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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.
Le plan de numérotage nord-américain ( North American Numbering Plan ou NANP) est un système intégré de numérotation téléphonique commun à 20 pays en Amérique du Nord . AT&T a développé ce plan de numérotation en 1947 pour simplifier et faciliter les communications locales et longue-distance. Sa mise en œuvre a débuté en 1951.
N. N11 code. North American Numbering Council. List of North American Numbering Plan area codes. North American Numbering Plan expansion. Telephone number pooling. Numbering Resource Utilization/Forecast Report.
9 de abr. de 2009 · The North American Numbering Plan (NANP) is an integrated telephone numbering plan of 24 countries and territories: the United States and its territories, Canada, Bermuda, and 16 of the Caribbean countries.
Telephone numbers in the Americas. The prefixes in the Americas start with one of 1,2,5. All countries in the Americas use codes that start with "5", with the exception of the countries of the North American Numbering Plan, such as Canada and the United States, which use country code 1, and Greenland and Aruba with country codes starting with ...
Các quốc gia theo NANP tại Bắc Mỹ. Kế hoạch đánh số điện thoại của Bắc Mỹ ( tiếng Anh: North American Numbering Plan, viết tắt là NANP) là một kế hoạch đánh số điện thoại đó bao gồm hai mươi lăm khu vực riêng biệt trong hai mươi quốc gia chủ yếu ở Bắc Mỹ, bao gồm ...
NANP numbers are ten-digit numbers consisting of a three-digit Numbering Plan Area (NPA) code, commonly called an area code, followed by a seven-digit local number. The format is usually represented as. NXX-NXX-XXXX. where N is any digit from 2 through 9 and X is any digit from 0 through 9. More information can be found under Numbering Resources.
