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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.
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 ...
The CNAC selects and funds a neutral administrator known as the Canadian Numbering Administrator who performs the actual administrative duties. The CNAC is also responsible for paying the Canadian portion of the North American Numbering Plan Administration (NANPA) costs, which are funded by Canadian telecommunication service providers (TSP).
The North American Numbering Council (NANC) is a Federal Advisory Committee that was created to advise the Commission on numbering issues and to make recommendations that foster efficient and impartial number administration. 2015 Charter Renewal NANC Charter Renewed, Nominations for NANC Membership Requested Public Notice: Word | Acrobat | Text 2015 NANC Meeting Dates Thursday, March 5, 2015 ...
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 ...
Area codes 305, 786, and 645. Area codes 305, 786, and 645 are telephone area codes in the North American Numbering Plan (NANP) for Miami, Florida, Miami-Dade County, and the part of Monroe County in the Florida Keys in the United States. The mainland portion of Monroe County is served by area code 239 .
Lists of North American area codes. The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union .
