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Contents

   



(Top)
 


1 History  





2 Service area and central office codes  





3 See also  





4 References  





5 External links  














Area codes 587, 825, and 368






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Coordinates: 55°5930N 114°2236W / 55.99167°N 114.37667°W / 55.99167; -114.37667
 

From Wikipedia, the free encyclopedia
 

(Redirected from Area code 368)

Alberta numbering plan areas and area codes

Area codes 587, 825, and 368 are telephone area codes in the North American Numbering Plan (NANP) for the entire Canadian province of Alberta. They form an overlay with area code 403 of southern Alberta, and northern Alberta's 780. The complex overlay involving a total of five area codes in Alberta mandated ten-digit dialing throughout the province.

History

[edit]

Prior to 1997, numbering plan area 403 comprised Alberta, Yukon and the Northwest Territories, as well as a very small western portion of what is today Nunavut (which split off from the Northwest Territories on 1 April 1999). In 1997, use of area code 403 was restricted to Alberta, with the territories receiving new area code 867.

In January 1999, the province was divided into two numbering plan areas. The northern two thirds of Alberta, including Edmonton, received area code 780, while leaving 403 to serve Calgary and southern Alberta.

The projected exhaust dates for area codes 403 and 780 were March and October 2009, respectively. In 1997, two area codes, 587 and 825, were reserved by Bellcore for Alberta.[1]

The first of the new area codes, 587, entered service on September 19, 2008, as an overlay for the entire province.[2][3][4] As a preliminary step, ten-digit dialling was introduced across the province on an optional basis on June 23. This became mandatory on September 12. On September 20, Telus Mobility began allocating telephone numbers starting in area code 587 in the Calgary area.[5]

Instead of the overlay, splitting 403 or 780, would have resulted in subscribers in portions of Alberta having to change telephone numbers for the second time in a decade. A similar step had been taken a year earlier in British Columbia, when area code 778 was converted into an overlay complex for the entire province.

On April 9, 2016, the province was overlaid with an additional area code, 825.[6]

As of January 21, 2022, the province is additionally overlaid with area code 368.[7][8]

Area code 568 is reserved as the sixth area code for the province since November 2022.[9]

Service area and central office codes

[edit]

See also

[edit]

References

[edit]
  1. ^ "Telecom Decision CRTC 2007-42". Canadian Radio-television and Telecommunications Commission. 2007-06-14. Retrieved 2010-10-10.
  • ^ "Planning Letter PL-364: NPA 587 to Overlay NPAs 403 and 780 (Alberta, Canada)" (PDF). NANPA. 2007-07-27.
  • ^ "Planning Letter PL-369: NPA 587 to Overlay NPAs 403 and 780 (Alberta, Canada)" (PDF). NANPA. 2007-10-15.
  • ^ "Planning Letter PL-374: NPA 587 to Overlay NPAs 403 and 780 (Alberta, Canada)" (PDF). NANPA. 2008-02-26.
  • ^ "New dialing to come in Alberta". Canadian Radio-television and Telecommunications Commission. 2007-06-14. Archived from the original on 2012-10-01. Retrieved 2010-10-10.
  • ^ "Alberta set to dial up new 825 area code, CRTC announces". Calgary Sun. 2013-10-30. Archived from the original on 2015-07-31. Retrieved 2015-07-30.
  • ^ "Telecom Decision CRTC 2019-130". CRTC. 2019-05-03. Retrieved 2019-05-14.
  • ^ "Telecom Decision CRTC 2021-101". CRTC. 2021-03-05.
  • ^ "Telecom Decision CRTC 2022-308". Canadian Radio-television and Telecommunications Commission. 8 Nov 2022. Retrieved 20 May 2023.
  • [edit]
    Alberta area codes: 403, 587/825/368, 780
    North: 867
    West: 250/778/236/672 368/587/825, 403, 780 East: 306/639
    South: 406
    British Columbia area codes: 250, 604, 778/236/672
    Saskatchewan area codes: 306/639/474
    Montana area codes: 406
    Yukon, Northwest Territories and Nunavut area codes: 867

    55°59′30N 114°22′36W / 55.99167°N 114.37667°W / 55.99167; -114.37667


    Retrieved from "https://en.wikipedia.org/w/index.php?title=Area_codes_587,_825,_and_368&oldid=1227807628"

    Categories: 
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    Telecommunications-related introductions in 2008
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