numbering plan area
1numbering plan area — (NPA) A geographical division (expressed as three numbers) within which no two telephones are assigned the same 7 digit number. The first number is any number between 2 and 9; the second is always 1 or 0; and the third is any number… …
2List of North American Numbering Plan area codes — 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). Contents 1 200 2 300 3 400 4 …
3code, numbering plan area — (NPA) A 1 , 2 , or 3 digit code that, for distance dialing, designates one of the geographic areas within a country (and some neighboring territories) covered by a separate numbering plan …
4Telephone numbering plan — Area Code redirects here. For the song by Ludacris, see Area Codes (song). A telephone numbering plan is a type of numbering scheme used in telecommunications to allocate telephone numbers to subscribers and to route telephone calls in a… …
5area, numbering plan — (NPA) A geographic subdivision of the territory covered by a national or integrated numbering plan. An NPA is identified by a distinctive area code (NPA code) …
6North American Numbering Plan — NANPA redirects here. For other uses, see Nanpa (disambiguation). This article is about the numbering plan. For a list of area codes under the plan, see List of North American Numbering Plan area codes. The North American Numbering Plan (NANP) is …
7North American Numbering Plan — Als North American Numbering Plan (NANP, engl.: Nordamerikanischer Nummerierungsplan) bezeichnet man ein System dreistelliger Vorwahlen bzw. zehnstelliger Telefonnummern, das vor allem in den Vereinigten Staaten, Kanada und vielen karibischen… …
8North American numbering plan expansion — The North American numbering plan expansion is a proposed expansion of the North American Numbering Plan to accommodate future needs beyond the current 10 digit limitations used in telephone numbers.HistoryThe North American Numbering Plan has… …
9North American Numbering Plan expansion — The North American numbering plan expansion is a proposed expansion of the North American Numbering Plan to accommodate future needs beyond the current 10 digit limitations used in telephone numbers. Contents 1 History 2 Current industry… …
10Area code 415 — is the telephone area code for San Francisco, as well as portions of neighboring Brisbane and Daly City; and Marin County (across the Golden Gate Bridge to the north), in the state of California, USA.HistoryArea code 415 was one of the original… …