Postal Code J4K
Longueuil Southwest · Longueuil, Quebec
J4K is the postal code of Longueuil Southwest in Longueuil, Quebec, Canada. This list covers forward sortation areas (FSA) — the first three characters of a Canadian postal code, such as T0A.
- Postal Code
- J4K
- Area
- Longueuil
- Province
- Quebec
- Country
- Canada
Place with postal code J4K
| Place | Area | Location |
|---|---|---|
| Longueuil Southwest | Longueuil | 45.518, -73.502 |
Near Montreal
The nearest major city is Montreal, about 7 km away.
Nearby postal codes
Frequently asked questions
Which places use postal code J4K?
Longueuil Southwest.
Which area and province is J4K in?
Longueuil, Quebec, Canada.
What is the nearest major city to J4K?
Montreal, about 7 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.