These are the primary telephone area codes for Longueuil and the off-island suburbs of Greater Montreal in southern Quebec.
How to Call Longueuil from Overseas
- Dial your country's exit code (International Access Code)
- Dial 1 (Canada country code)
- Dial the area code (450 or 579)
- Dial the 7-digit local phone number
Example: Calling Longueuil from the UK
00 1 450 555 1234
Where:
00 = UK exit code
1 = Canada country code
450 = Longueuil area code
555 1234 = Local Longueuil phone number
Quick Facts
Longueuil Area Code Coverage
These area codes serve Longueuil and surrounding off-island communities:
450 - Original Off-Island Montreal
Longueuil, Laval, Brossard, Saint-Jean-sur-Richelieu, Granby
579 - Overlay (2010)
Added to meet growing demand in the 450 region
Le Vieux-Longueuil
Historic downtown, City Hall, Saint-Charles River
Greenfield Park
English-speaking enclave within Longueuil
Saint-Hubert & LeMoyne
Eastern and western boroughs of Longueuil
South Shore Core
Part of the Montérégie region across from Montreal
Major Canadian Area Codes
Common Exit Codes for Calling Canada
When calling Longueuil from these countries, use these exit codes:
United Kingdom
00
Australia
0011
European Union
00
Japan
010
China
00
United States
011