🇨🇦 Canada · Alberta

Area code 403

Area code 403 is a telephone area code in Alberta, Canada, covering Calgary, Lethbridge, Medicine Hat, Red Deer, Airdrie, Brooks and more. Local time is UTC−7 (UTC−6 in summer). Numbers look like (403) 234-5678, or +1 403 234 5678 from abroad.

Province: Alberta
Time zone: Edmonton UTC−7 (UTC−6 in summer)
Local time now: –
Dial from abroad: +1 403

Places in area code 403

Cities and towns with telephone exchanges in the 403 area code, most exchanges first.

Calgary
Lethbridge
Medicine Hat
Red Deer
Airdrie
Brooks
High River
Canmore
Banff
Rocky Mountain House
Cochrane
Strathmore
Okotoks
Taber
Innisfail
Didsbury
Carstairs
Coaldale
Three Hills
Vulcan
Bow Island
Linden
Redcliff
Fort MacLeod

How to dial area code 403

Calling from	You dial
Inside the 403 area	403 234 5678 (10 digits)
Elsewhere in the US & Canada	1 403 234 5678
Any mobile phone, anywhere	+1 403 234 5678
UK, Europe, India and most countries	00 1 403 234 5678
Australia	0011 1 403 234 5678

Other area codes in Alberta

368 Alberta 587 Alberta 780 Edmonton, Grande Prairie 825 Alberta

Area code 403: FAQ

Where is area code 403?

Area code 403 is in Alberta, Canada and serves Calgary, Lethbridge, Medicine Hat, Red Deer, Airdrie, Brooks. and other places

What time zone is area code 403 in?

Area code 403 is in the America/Edmonton time zone (UTC−7 (UTC−6 in summer)).

How do I call a 403 number from outside the US and Canada?

Dial your exit code (00 in most countries, or + on a mobile), then 1, then 403 and the seven-digit number. Example: +1 403 234 5678.

Is a call from area code 403 a scam?

Area code 403 is a regular North American area code, but caller ID can be spoofed: scammers often show local-looking numbers. Do not call back unknown numbers that ask for money or personal data, and check the number with the phone number validator to see whether it is valid and whether it is a mobile, landline or VoIP number.

Phone number API

Check 403 numbers in your app

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

100 free requests every month. No credit card required.

GET https://api.numlookupapi.com/v1/validate/+14032345678

{
  "valid": true,
  "number": "12069220880",
  "local_format": "2069220880",
  "international_format": "+12069220880",
  "country_prefix": "+1",
  "country_code": "US",
  "country_name": "United States of America",
  "location": "Seattle",
  "line_type": "landline",
  "e164_format": "+12069220880",
  "national_format": "(206) 922-0880"
}