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Area Code - 403 Details

About 403:
403 is the area code for southern half of the Canadian province of Alberta. It was split in 1997, creating area codes 867 and 780. 10-digit dialing is required.

Related Cities:
Area codes 403, 587 and 825 cover the southern portions of Alberta including Calgary, Airdrie, Banff, Brooks, Canmore, Claresholm, Crowsnest Pass, High River, Medicine Hat, Olds, Lethbridge, Red Deer, Rocky Mountain House and Strathmore in addition to many smaller communities.