Beauharnois-Salaberry Postal Codes: J0S to J6T | Montérégie, Quebec
Postal Codes for Beauharnois-Salaberry range from J0S to J6T in Montérégie, Quebec, Canada. To find exact Postal Codes and postcodes within Beauharnois-Salaberry, choose from the districts below.
Postal Codes for Places in Beauharnois-Salaberry
Showing 8 places in Beauharnois-Salaberry. Last verified with official records on May 2, 2026.
| Beauharnois | |
| Melocheville | |
| Saint-Étienne-de-Beauharnois | |
| Saint-Louis-de-Gonzague | |
| Saint-Stanislas-de-Kostka | |
| Saint-Urbain-Premier | |
| Sainte-Martine | |
| Salaberry-de-Valleyfield |
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Sample Address Format for Beauharnois-Salaberry
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
Beauharnois-Salaberry, Montérégie, Quebec, J6N
CANADA
Beauharnois-Salaberry on the Map
The map above highlights the geographic boundaries of the Beauharnois-Salaberry regional county municipality in Canada.
Beauharnois-Salaberry Quick Facts
| Country | Canada (CA) |
|---|---|
| Administrative Path | Canada → Quebec → Montérégie |
| Postal Code | J0S~J6T |
| Province | Quebec |
| Administrative regions | Montérégie |
| ISO Codes | CA / CAN / 124 |
| Top-level domain (ccTLD) | .ca |
| Coordinates | 45.260542, -73.927631 |
| Places | 8 |
What to Know About Beauharnois-Salaberry
Key Facts
Beauharnois-Salaberry is a regional county municipality (RCM) located in the Montérégie administrative region of southwestern Quebec, Canada. Situated along the southern shore of the St. Lawrence River, this RCM occupies a strategic position approximately 40 kilometers southwest of Montreal, making it part of the Greater Montreal urban area. Beauharnois-Salaberry covers an area of approximately 472 square kilometers and has a population of around 68,000 residents according to recent census data. The region is named after two significant historical figures: Charles de Beauharnois, a former governor of New France, and Elzéar-Henri Juchereau Duchesnay, seigneur of Salaberry. The RCM is divided into 13 municipalities, including the cities of Beauharnois, Salaberry-de-Valleyfield (which serves as the county seat), and several smaller towns and villages. The area is characterized by its flat terrain, extensive agricultural lands, and significant industrial presence, particularly the massive Beauharnois Hydroelectric Power Station, one of the largest hydroelectric facilities in Quebec. For residents and businesses seeking to access postal code information for the various municipalities within Beauharnois-Salaberry, detailed regional data is readily available.
Neighboring Regions
- Vaudreuil-Soulanges
- Les Jardins-de-Napierville
- Roussillon
- Le Haut-Saint-Laurent