Canada

To dial Canada from outside the US/Caribbean (Country Code 1), dial the IDD prefix + 1 + Area Code + Local Number
To dial from the U.S./Caribbean, dial 1 + Area Code + Local Number

NOTE :  Mandatory 10-digit dialing (area code + phone number for local calls) went into effect
 for area code 514 (Montréal Island) on 28 October 2006 and for area code 438 (Montreal Island) on 4 November 2006. 
Mandatory 10-digit dialing has existed in the larger metro areas of Canada for several years.

For a discussion of upcoming area code changes in the U.S. and Canada, refer to http://areacode-info.com/

International Calling Cards
Call from anywhere to anywhere using your mobile phone with Cellular International.

Area Codes

Alberta (Northern)

780

Alberta (Southern)

403

British Columbia (Except Vancouver)

250

British Columbia (Vancouver area)

604

Fort William

807

London

519

Manitoba

204

New Brunswick

506

Newfoundland

709

Northwest Territories

867

Nunavut

867

Nova Scotia

902

Ontario (London)

519

Ontario (North Bay)

705

Ontario (Ottawa)

613

Ontario (Thunder Bay)

807

Ontario (Toronto Metro) See note above

416

Ontario (Toronto Vicinity) See note above 

905

Prince Edward Island

902

Québec (Montréal Island)

514

Québec (Montréal north & south shore)

450

Québec (Québec City)

418

Québec (Sherbrooke)

819

Saskatchewan

306

Yukon Territory

867