Postal Code M3B
Don Mills North · Don Mills, Ontario
M3B is the postal code of Don Mills North in Don Mills, Ontario, Canada. This list covers forward sortation areas (FSA) — the first three characters of a Canadian postal code, such as T0A.
- Postal Code
- M3B
- Area
- Don Mills
- Province
- Ontario
- Country
- Canada
Place with postal code M3B
| Place | Area | Location |
|---|---|---|
| Don Mills North | Don Mills | 43.745, -79.359 |
Near Toronto
The nearest major city is Toronto, about 5 km away.
Nearby postal codes
Frequently asked questions
Which places use postal code M3B?
Don Mills North.
Which area and province is M3B in?
Don Mills, Ontario, Canada.
What is the nearest major city to M3B?
Toronto, about 5 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.