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In July 2018, area code 474 was reserved as a future area code for all of Saskatchewan, as area codes 306 and 639 are expected to exhaust their central office prefixes as early as June 2022. [11] The in-service date of area code 474 was October 2, 2021, with no changes in the established dialing procedure. [12]
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.
For international access the NANP is assigned the country code 1, which is dialed as a prefix in the international E.164 telephone numbering plan.. The trunk prefix for dialing long-distance calls, across numbering plan area (NPA) boundaries within Canada or to other NANP countries, is also 1.
2 Three digit prefix. 1 comment. 3 External links modified. 1 comment. 4 External links modified. 1 comment. Toggle the table of contents. Talk: Area codes 306, 639 ...
AT&T divided the United States and Canada into numbering plan areas (NPAs), and assigned to each NPA a unique three-digit prefix, the numbering plan area code, which became known in short-form as NPA code or simply area code. The area code is prefixed to each telephone number issued in its service area.
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An area code overlay is a numbering plan area (NPA) in the North American Numbering Plan (NANP) that has multiple area codes assigned. Overlay complexes are used to add central office prefixes in an NPA to increase the number of available telephone numbers .
Flag of Saskatchewan Regions of Saskatchewan map used on Wikivoyage.. The regional designations vary widely within the Canadian province of Saskatchewan.With a total land area of 651,036 square kilometres (251,366 sq mi), Saskatchewan is crossed by major rivers such as the Churchill and Saskatchewan and exists mostly within the Hudson Bay drainage area.