Lista de região
- L3X 2Y8 - Newmarket, York, Ontario
- L3X 2Y9 - Newmarket, York, Ontario
- L3X 2Z1 - Newmarket, York, Ontario
- L3X 2Z2 - Newmarket, York, Ontario
- L3X 2Z3 - Newmarket, York, Ontario
- L3X 2Z4 - Newmarket, York, Ontario
- L3X 2Z5 - Newmarket, York, Ontario
- L3X 2Z6 - Newmarket, York, Ontario
- L3X 2Z7 - Newmarket, York, Ontario
- L3X 2Z8 - Newmarket, York, Ontario
- L3X 2Z9 - Newmarket, York, Ontario
- L3X 3A1 - Newmarket, York, Ontario
- L3X 3A3 - Newmarket, York, Ontario
- L3X 3A4 - Newmarket, York, Ontario
- L3X 3A5 - Newmarket, York, Ontario
- L3X 3A6 - Newmarket, York, Ontario
- L3X 3A7 - Newmarket, York, Ontario
- L3X 3A8 - Newmarket, York, Ontario
- L3X 3A9 - Newmarket, York, Ontario
- L3X 3B1 - Newmarket, York, Ontario