Resultado de búsqueda
1 NORTH AMERICAN NUMBERING PLAN 1.1 NANP History The North American Numbering Plan (NANP) was developed by AT&T in 1947 to simplify and facilitate direct dialing of long-distance calls. NANP telephone numbers are ten-digit numbers consisting of a three-digit Numbering Plan Area (NPA) code, commonly called an area code,
北米電話番号計画 （ほくべい でんわばんごう けいかく、 英 ：North American Numbering Plan, NANP）は、 アメリカ合衆国 とその海外領土、 カナダ 、 西インド諸島 の国々やイギリス海外領土などを対象とした国際電話番号の 電話番号計画 。. 1-に続く3桁の国番号 ...
North American Numbering Plan, NANP) — совместный телефонный план нумерации 24 стран и территорий: США (включая островные территории), Канады, Бермуд и 16 карибских государств.
The average number of pulses is 12; there are 28 potential NPAs with fewer than 12 pulses, 28 with more than 12 pulses, and 8 with exactly 12 pulses. These 8 are apparently "reserved", as none of them were included in the 1947 NPA assignments. Of the 28 potential NPAs with fewer than 12 pulses, all 28 were assigned.
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.
NANP stands for North American Numbering Plan.It is a telephone numbering plan designed and used commonly by 19 different countries and territories in North America. These countries include the United States and its territories, Anguilla, Antigua & Barbuda, Bermuda, the Bahamas, Barbados, the British Virgin Islands, Canada, the Cayman Islands, Dominica, the Dominican Republic, Grenada, Jamaica ...
Interchangeable numbering plan area (NPA) codes and central office codes are codes that permit any of the ten numerals in the middle position of the area code and the central office code, which both are three-digit numbers. [1] [2] This change in numbering format was implemented first for central office codes by 1973, which eliminated the ...
