Список региона
- L3Y 1C5 - Newmarket, York, Ontario
- L3Y 1C6 - Newmarket, York, Ontario
- L3Y 1C7 - Newmarket, York, Ontario
- L3Y 1C8 - Newmarket, York, Ontario
- L3Y 1C9 - Newmarket, York, Ontario
- L3Y 1E1 - Newmarket, York, Ontario
- L3Y 1E2 - Newmarket, York, Ontario
- L3Y 1E3 - Newmarket, York, Ontario
- L3Y 1E4 - Newmarket, York, Ontario
- L3Y 1E5 - Newmarket, York, Ontario
- L3Y 1E6 - Newmarket, York, Ontario
- L3Y 1E7 - Newmarket, York, Ontario
- L3Y 1E8 - Newmarket, York, Ontario
- L3Y 1E9 - Newmarket, York, Ontario
- L3Y 1G1 - Newmarket, York, Ontario
- L3Y 1G2 - Newmarket, York, Ontario
- L3Y 1G3 - Newmarket, York, Ontario
- L3Y 1G4 - Newmarket, York, Ontario
- L3Y 1G5 - Newmarket, York, Ontario
- L3Y 1G6 - Newmarket, York, Ontario