Területlista
- L3X 3E4 - Newmarket, York, Ontario
- L3X 3E5 - Newmarket, York, Ontario
- L3X 3E6 - Newmarket, York, Ontario
- L3X 3E7 - Newmarket, York, Ontario
- L3X 3E8 - Newmarket, York, Ontario
- L3X 3E9 - Newmarket, York, Ontario
- L3X 3G1 - Newmarket, York, Ontario
- L3X 3G2 - Newmarket, York, Ontario
- L3X 3G3 - Newmarket, York, Ontario
- L3X 3G4 - Newmarket, York, Ontario
- L3X 3G5 - Newmarket, York, Ontario
- L3X 3G6 - Newmarket, York, Ontario
- L3X 3G7 - Newmarket, York, Ontario
- L3X 3G8 - Newmarket, York, Ontario
- L3X 3G9 - Newmarket, York, Ontario
- L3X 3H1 - Newmarket, York, Ontario
- L3X 3H2 - Newmarket, York, Ontario
- L3X 3H3 - Newmarket, York, Ontario
- L3X 3H4 - Newmarket, York, Ontario
- L3X 3H5 - Newmarket, York, Ontario