Area Code 403

Calgary, Alberta · MST/MDT (UTC-7) · Canada

Area Code
403
City
Calgary, AB
Time Zone
MST/MDT
UTC Offset
UTC-7 / UTC-6 DST
DST
Observed
Introduced
1947

Where Is Area Code 403?

Calgary and southern Alberta

Original Alberta code. Calgary Stampede. Gateway to Banff and the Rockies.

Major Cities & Neighborhoods
CalgaryLethbridgeMedicine HatBanffCanmore

Time Zone for Area Code 403

Standard Time
MST (UTC-7)
Daylight Time
MDT (UTC-6)
DST 2026 Start
March 8, 2026
DST 2026 End
November 1, 2026
Country
Canada
IANA Zone
America/Edmonton

Frequently Asked Questions

Where is area code 403?

Area code 403 is located in Calgary, Alberta (Canada). It covers Calgary and southern Alberta.

What time zone is area code 403 in?

Area code 403 (Calgary, Alberta) is in the MST/MDT time zone. Standard time is UTC-7 and UTC-6 during Daylight Saving Time.

Is area code 403 a scam?

Area code 403 is a legitimate NANPA-assigned code serving Calgary, Alberta. However, scammers can spoof any area code. If you receive an unexpected call from (403), verify the caller before sharing personal information.

What time is it in area code 403 right now?

Area code 403 follows MST/MDT (UTC-7). See the live clock at whattime.city/calgary/ for the exact current time in Calgary.

When was area code 403 introduced?

Area code 403 was introduced in 1947. Original Alberta code. Calgary Stampede. Gateway to Banff and the Rockies.

Other Alberta Area Codes