To call long-distance from Canada, you must first enter 011, then the country code, then the area code and telephone number.
To call a local number, you only need to dial the area code and telephone number (10 digits in total). The UCalgary Student’s Union has a free phone located behind the information desk near International Student Services for local calls only (MSC 275).
In Calgary, local numbers may have the area code 403 or 587.
403 (area code) 000-0000 (telephone number)
1 (long distance) 587 (area code) 000-0000 (telephone number)