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Pages for logged out editors learn more. Contributions; ... Print/export Download as PDF ... Clickable map of Colorado area codes in blue (with bordering states).
Pages for logged out editors learn more. ... Download as PDF; Printable version ... Pages in category "Lists of United States area codes" The following 52 pages are ...
Pages for logged out editors learn more. ... Download as PDF; Printable version; In other projects ... Interactive map of the numbering plan areas of the Commonwealth ...
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
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.
When dialing a telephone number, the area code may have to be preceded by a trunk prefix or national access code for domestic calls, and for international calls by the international access code and country code. Area codes are often quoted by including the national access code. For example, a number in London may be listed as 020 7946 0321.
Pages for logged out editors learn more. Contributions; ... Download as PDF; Printable version; ... click on any region shown to visit the page for those area codes.
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