Canadian Area Codes / Alberta
The 403 area code
The 403 area code covers Calgary and southern Alberta, Canada.
Province
Alberta
Time zone
Mountain Time
Country
Canada (+1)
Cities in the 403 area code
Major communities served by 403 include:
Overlay codes for this area
The 403 region shares its territory with these codes — which is why you dial all 10 digits for local calls:
Want a local 403 number for your business?
Voiswitch provides local 403 numbers on business phone systems — or ports the one you already have. Free quote, no obligation.
403 area code — questions
Where is the 403 area code?
The 403 area code is in Alberta, Canada. It covers Calgary and southern Alberta, including Calgary, Lethbridge, Medicine Hat, Red Deer.
What time zone is the 403 area code in?
403 numbers are in the Mountain Time zone.
Is 403 an overlay area code?
The 403 area shares the same territory as 587, 825, 368. Because multiple codes overlap, you dial all 10 digits for local calls.
Can I get a 403 number for my business?
Yes — Voiswitch can provide local 403 numbers, and if you already have one, we can port it to your new phone system. Get a free quote to add a local 403 number.