Don Mills Area Postal Codes
Ontario, Canada · 2 codes
Don Mills Area in Ontario has 2 postal codes, from M3B to M3C, serving 2 places.
Postal codes in Don Mills
Frequently asked questions
What is the postal code of Don Mills?
Don Mills has 2 postal codes, from M3B to M3C. The table lists the places each one serves.
How many places are listed in Don Mills Area?
2 places.
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.