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Area codes 306, 639, and 474 are telephone area codes in the north american Numbering Plan ( NANP ) for the entire canadian province of Saskatchewan. Area code 306 is the master area code, and area codes 639 and 474 were added to create an overlay design for the integral state. The incumbent local change carrier is SaskTel. Area code 306 is one of the original north american area codes, which were assigned in 1947 in the contiguous United States and the nine provinces then in Canada. In October 2010, in order to facilitate long-run plan nationally, the canadian Radio-television and Telecommunications Commission ( CRTC ) tentatively reserved a number of newfangled area codes for the future easing of existing area codes that were expected to exhaust in the next 25 years ; area code 474 was set aside to cover area code 306 and the state of Saskatchewan. [ 1 ]
In early 2011, however, a act analysis by the canadian Numbering Administrator ( CNA ) revealed that sphere code 306 had experienced an unforecasted surge in telephone number allotment and was at hazard of exhaustion within three years ( a situation referred to as a “ hazard condition ” ). [ 2 ] In reception, the CRTC immediately initiated relief plan measures. [ 3 ] The plan committee evaluated multiple options involving splitting area code 306 in two, with one part of customers having to switch their existing earphone numbers to a new area code, before determining that an overlie area code was overwhelmingly better. Given the CRTC ‘s decision the class earlier, the committee ‘s initial plan document ( dated May 18, 2011 ) recommended the grant of area code 474 for this determination, mirroring an assumption that had already been reported in the press. [ 4 ] [ 5 ] however, by the time the committee ‘s planning document was finalized on July 13, 2011, the recommend new area code had changed to 639, an option that was regarded as equally technically viable. [ 6 ] The text file did not address this divergence from the CRTC ‘s prior allotment nor give a reason for the change, but news reports suggest that it was SaskTel who made the decision to eschew 474, citing a sensitivity to tetraphobia in the community, and that the choice of 639 as a substitute was based on its mathematical similarities with the existing area code. [ 7 ]
On August 26, 2011, the CRTC accepted the stand-in planning committee ‘s recommendation, which dictated that ten-digit dial was to be phased in for sphere code 306 between February 25, 2013, and May 11, 2013, and that area code 639 was to be overlayed effective May 25, 2013. [ 8 ] Until the execution of area code 639, Saskatchewan was the last of Canada ‘s original NPAs in which seven-digit dial had ended. [ citation needed ] 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 deoxyadenosine monophosphate early on as June 2022. [ 9 ] Area code 474 was allocated on October 2, 2021.
Service area and cardinal office prefixes [edit ]
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