Region List
- L3X 2E3 - Newmarket, York, Ontario
- L3X 2E4 - Newmarket, York, Ontario
- L3X 2E5 - Newmarket, York, Ontario
- L3X 2E6 - Newmarket, York, Ontario
- L3X 2E7 - Newmarket, York, Ontario
- L3X 2E8 - Newmarket, York, Ontario
- L3X 2E9 - Newmarket, York, Ontario
- L3X 2G1 - Newmarket, York, Ontario
- L3X 2G2 - Newmarket, York, Ontario
- L3X 2G3 - Newmarket, York, Ontario
- L3X 2G4 - Newmarket, York, Ontario
- L3X 2G5 - Newmarket, York, Ontario
- L3X 2G6 - Newmarket, York, Ontario
- L3X 2G7 - Newmarket, York, Ontario
- L3X 2G8 - Newmarket, York, Ontario
- L3X 2G9 - Newmarket, York, Ontario
- L3X 2H1 - Newmarket, York, Ontario
- L3X 2H2 - Newmarket, York, Ontario
- L3X 2H3 - Newmarket, York, Ontario
- L3X 2H4 - Newmarket, York, Ontario