L'Assomption Postal Codes, Lanaudière, Quebec Canada

Postal codes for L'Assomption range from J5W to J6A in Quebec, Lanaudière, Canada. The table below lists ZIP codes and postcodes for places within L'Assomption.

L'Assomption on the Map

The map above highlights the geographic boundaries of the L'Assomption regional county municipality in Canada. The postal codes listed on this page correspond to specific towns, villages, and post offices within this area.

What to Know About L'Assomption

Key Facts

L'Assomption is a regional county municipality (RCM) located in the Lanaudière administrative region of southwestern Quebec, Canada. Situated along the northern bank of the St. Lawrence River, it occupies a strategic position just northeast of Montreal, making it part of the Montreal metropolitan area's outer ring. The RCM covers approximately 255 square kilometers and has a population of around 128,000 residents, serving as an important suburban and agricultural region. L'Assomption is divided into 11 municipalities, including the cities of L'Assomption, Repentigny, and Charlemagne, which form its urban core. The region takes its name from the L'Assomption River that flows through its territory, historically important for transportation and settlement. This RCM provides access to comprehensive postal code information for all its constituent municipalities, towns, and villages to support residents and businesses with accurate addressing and mail delivery services.

Neighboring Regions

* Les Moulins

* Montcalm

* Joliette

* D'Autray