Resultado da Busca
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.
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). An area code is part of a telephone number in the United States, Canada, and the Caribbean.
In North America ten-digit dialing is required in areas with overlay numbering plans, in which multiple area codes are assigned to the same area. The strict correlation of a telephone number to a geographical area has been broken by technical advances, such as local number portability in the North American Numbering Plan and voice over IP services.
A telephone numbering plan is a system used in telecommunications to give telephone numbers to customers and to route telephone calls in a telephone network. A closed numbering plan imposes a fixed length to numbers, such as in North America (10-digit). An open numbering plan may have telephone numbers that vary in length. A dial plan ...
Toll-free telephone numbers in the North American Numbering Plan. Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing ...
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.
3 de dez. de 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 ...
