Roussillon Postal Codes: J0L to J7V | Montérégie, Quebec
Postal Codes for Roussillon range from J0L to J7V in Montérégie, Quebec, Canada. To find exact Postal Codes and postcodes within Roussillon, choose from the districts below.
Postal Codes for Places in Roussillon
Showing 13 places in Roussillon. Last verified with official records on May 2, 2026.
| Candiac | |
| Châteauguay | |
| Delson | |
| Kahnawake | |
| L'Île-Perrot | |
| La Prairie | |
| Léry | |
| Mercier | |
| Saint-Constant | |
| Saint-Édouard-de-Napierville | |
| Saint-Isidore-de-Laprairie | |
| Saint-Philippe | |
| Sainte-Catherine |
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Sample Address Format for Roussillon
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
Roussillon, Montérégie, Quebec, J5R
CANADA
Roussillon on the Map
The map above highlights the geographic boundaries of the Roussillon regional county municipality in Canada.
Roussillon Quick Facts
| Country | Canada (CA) |
|---|---|
| Administrative Path | Canada → Quebec → Montérégie |
| Postal Code | J0L~J7V |
| Province | Quebec |
| Administrative regions | Montérégie |
| ISO Codes | CA / CAN / 124 |
| Top-level domain (ccTLD) | .ca |
| Coordinates | 45.343388, -73.590036 |
| Places | 13 |
What to Know About Roussillon
Key Facts
Roussillon is a regional county municipality (RCM) located in the Montérégie administrative region of southwestern Quebec, Canada. Situated on the south shore of the St. Lawrence River, Roussillon occupies a strategic position just south of Montreal, making it part of the Greater Montreal metropolitan area. This RCM covers approximately 423 square kilometers and serves as home to approximately 175,000 residents, making it one of the more densely populated regional county municipalities in Quebec. Roussillon is divided into 11 municipalities, including cities such as Saint-Constant, Delson, Candiac, and La Prairie, each contributing to the region's diverse urban and suburban character. The region benefits from excellent transportation infrastructure, with major highways including Autoroute 15 and Autoroute 30 facilitating connectivity throughout the Montérégie and beyond. Roussillon's proximity to Montreal has fostered significant residential and commercial development while maintaining distinct community identities across its constituent municipalities. For comprehensive postal code information and detailed addressing across Roussillon's various municipalities, our platform provides complete coverage of this dynamic regional county municipality.
Neighboring Regions
- Beauharnois-Salaberry
- Les Jardins-de-Napierville
- Le Haut-Richelieu
- Rouville
- Marguerite-D'Youville
- Longueuil