Bölge listesi
- L3X 3B2 - Newmarket, York, Ontario
- L3X 3B3 - Newmarket, York, Ontario
- L3X 3B4 - Newmarket, York, Ontario
- L3X 3B5 - Newmarket, York, Ontario
- L3X 3B6 - Newmarket, York, Ontario
- L3X 3B7 - Newmarket, York, Ontario
- L3X 3B8 - Newmarket, York, Ontario
- L3X 3B9 - Newmarket, York, Ontario
- L3X 3C1 - Newmarket, York, Ontario
- L3X 3C2 - Newmarket, York, Ontario
- L3X 3C3 - Newmarket, York, Ontario
- L3X 3C4 - Newmarket, York, Ontario
- L3X 3C5 - Newmarket, York, Ontario
- L3X 3C6 - Newmarket, York, Ontario
- L3X 3C7 - Newmarket, York, Ontario
- L3X 3C8 - Newmarket, York, Ontario
- L3X 3C9 - Newmarket, York, Ontario
- L3X 3E1 - Newmarket, York, Ontario
- L3X 3E2 - Newmarket, York, Ontario
- L3X 3E3 - Newmarket, York, Ontario