403 AB Alberta (Calgary, Banff, Red Deer, Medicine Hat, Lethbridge and southern Alberta) <Mountain Time Zone>

780 AB Alberta (Edmonton, Jasper, Grande Prairie, Peace River and northern Alberta)<Mountain Time Zone>

250 BC British Columbia (all except Vancouver area)<Mountain & Pacific Time Zones>

604 BC British Columbia (Vancouver area)<Pacific Time Zone>

204 MB Manitoba (all of Manitoba)<Central Time Zone>

506 NB New Brunswick (all of New Brunswick)<Atlantic Time Zone>

709 NF Newfoundland (all of Newfoundland)<Newfoundland Time Zone>

902 NS Nova Scotia (all of Nova Scotia and Prince Edward Island)<Atlantic Time Zone>

416 ON Ontario (Toronto area, overlays with 647)<Eastern Time Zone>

519 ON Ontario (London and southwestern Ontario)<Eastern Time Zone>

613 ON Ontario (Ottawa and southeastern Ontario)<Eastern Time Zone>

647 ON Ontario (Toronto area, overlays with 416)<Eastern Time Zone>

705 ON Ontario (North Bay and northeastern Ontario)<Eastern Time Zone>

807 ON Ontario (Thunder Bay and western Ontario)<Central & Eastern Time Zones>

905 ON Ontario (Hamilton and central southeastern Ontario)<Eastern Time Zone>

418 QC Quebec (Quebec and eastern Quebec)<Eastern Time Zone>

450 QC Quebec (central southern Quebec excluding Montreal)<Eastern Time Zone>

514 QC Quebec (Montreal area)<Eastern Time Zone>

819 QC Quebec (Western Quebec)<Eastern Time Zone>

306 SK Saskatchewan (all of Saskatchewan)<Central & Mountain Time Zones>

867 YK Yukon, NWT Northwest Territories, and NU Nunavut (Yukon, Northwest Territories and Nunavut)<Pacific, Mountain, Central, Eastern, and Atlantic Time Zones>