Seznam oblastí
- L3X 2R2 - Newmarket, York, Ontario
- L3X 2R3 - Newmarket, York, Ontario
- L3X 2R4 - Newmarket, York, Ontario
- L3X 2R5 - Newmarket, York, Ontario
- L3X 2R6 - Newmarket, York, Ontario
- L3X 2R7 - Newmarket, York, Ontario
- L3X 2R8 - Newmarket, York, Ontario
- L3X 2R9 - Newmarket, York, Ontario
- L3X 2S1 - Newmarket, York, Ontario
- L3X 2S2 - Newmarket, York, Ontario
- L3X 2S3 - Newmarket, York, Ontario
- L3X 2S4 - Newmarket, York, Ontario
- L3X 2S5 - Newmarket, York, Ontario
- L3X 2S6 - Newmarket, York, Ontario
- L3X 2S7 - Newmarket, York, Ontario
- L3X 2S8 - Newmarket, York, Ontario
- L3X 2S9 - Newmarket, York, Ontario
- L3X 2T1 - Newmarket, York, Ontario
- L3X 2T2 - Newmarket, York, Ontario
- L3X 2T3 - Newmarket, York, Ontario