Longueuil Postal Codes, Montérégie, Quebec Canada

Postal codes for Longueuil range from J0L 2H0 to J4Z in Quebec, Montérégie, Canada. The table below lists ZIP codes and postcodes for places within Longueuil.

Longueuil on the Map

The map above highlights the geographic boundaries of the Longueuil 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 Longueuil

Key Facts

Longueuil is a city located in the Montérégie administrative region of southwestern Quebec, Canada. Situated on the south shore of the Saint Lawrence River directly opposite Montreal, Longueuil serves as a major urban center and suburb of the Montreal metropolitan area. With a population of approximately 265,000 residents, it ranks as the fifth largest city in Quebec and covers an area of about 122 square kilometers. The city is organized into three boroughs—Le Vieux-Longueuil, Saint-Hubert, and Greenfield Park—each with distinct characteristics and communities. Longueuil features a diverse urban landscape that includes historic districts, modern commercial centers, extensive parklands, and important transportation infrastructure including the Jacques Cartier Bridge connecting it to Montreal. The city hosts several significant institutions including the École nationale d'aérotechnique and the Longueuil campus of the Cégep Édouard-Montpetit, reflecting its role as an educational and technological hub. For residents and businesses seeking to access postal code information for Longueuil's various neighborhoods and districts, comprehensive location data is available through regional postal services.

Neighboring Regions

* Boucherville

* Saint-Lambert

* Brossard

* Saint-Bruno-de-Montarville

* Montreal