Area code 403
Calgary, Red Deer, Lethbridge, Alberta
403 is an area code for Calgary, Red Deer, Lethbridge in Alberta, Canada. It uses Mountain time. It covers the same area as 368, 587, 780 and 825, so local calls there use all 10 digits.
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4.7from10,000+ callers worldwide
Including people in 🇺🇸 United States
- State or province
- Alberta
- Time zone
- Mountain
- Local time
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Got a callfrom a 403 number?
A 403 number was first assigned in Calgary, Red Deer, Lethbridge, but the caller could be anywhere. People keep their numbers when they move, and scammers often fake local-looking numbers.
- Don’t know the number? Let it go to voicemail.
- Says it’s your bank or a government office? Hang up and call the number on their website or your card.
- Never share codes, passwords or card details with a caller.
- Report scam calls to the Canadian Anti-Fraud Centre.
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Try your first call freeCall a 403 numberfrom any country.
The number works the same from every country. Only the start changes: + or your exit code, then 1 for the US and Canada.
- Dial + on a mobile, or your exit code (00 in most countries, 011 from the US and Canada)
- Dial 1, the country code for the US and Canada
- Dial the area code 403 and the 7-digit number