Area code 403 is a telephone area code in the North American Numbering Plan (NANP) for the southern third of the Canadian province of Alberta, including the Calgary area. Where is area code 403? Area code 403 serves southern Alberta, Canada. It overlaps coverage areas with area codes 368, 587, and 825. · Area code 403 is in Alberta, Canada. Locate phone numbers 403-200-XXXX through 403-999-XXXX. City list with local time, map and overlaying areas. The Calgary region, located in Alberta, is proudly served by area code 403. This telephone code covers a key territory home to approximately 1 306 784 people. Anchored in the Mountain time zone, the community of Calgary benefits from a robust communication infrastructure. Areacode 403 - Alberta. Reverse phone lookup, search by area code or region. Local time and map of Alberta. 6 days ago · Alberta - Area code 403 is currently assigned for use in Alberta, Canada since . View all phone prefixes used in area code 403 or other area codes in Alberta.
