New PSTN Area Codes being Added to Canada

Obviously the expansion and increase in cellular, Tablets and SIP numbers requires more telephone numbers and as a result the following expansion is being planned:

Manitoba added the 431 area code as an overlay to the 204 region Nov 3, 2102

Quebec added the 873 area code as an overlay to the 819 region Sept 15, 2012

Ontario added the 249 area code as an overlay to the 705 region March 2011

Ontario will add 365 area code as an overlay to 905/289 starting March 25, 2013

Ontario will add 437 area code as an overlay to 416/647 starting March 25, 2013



The North American Numbering Plan is further explained at http://en.wikipedia.org/wiki/North_American_Numbering_Plan

Canadians can go look at http://www.cnac.ca/npa_codes/NPA_History.pdf and check out the Canadian Numbering Administrator website