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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

Sample Address Format for Roussillon

Sender
[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]
Recipient
[Recipient Name]
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

CountryCanada (CA)
Administrative PathCanada → Quebec → Montérégie
Postal CodeJ0L~J7V
ProvinceQuebec
Administrative regionsMontérégie
ISO CodesCA / CAN / 124
Top-level domain (ccTLD).ca
Coordinates45.343388, -73.590036
Places13

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

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