Lista regionu
- L3Y 1P5 - Newmarket, York, Ontario
- L3Y 1P6 - Newmarket, York, Ontario
- L3Y 1P7 - Newmarket, York, Ontario
- L3Y 1P8 - Newmarket, York, Ontario
- L3Y 1P9 - Newmarket, York, Ontario
- L3Y 1R1 - Newmarket, York, Ontario
- L3Y 1R2 - Newmarket, York, Ontario
- L3Y 1R3 - Newmarket, York, Ontario
- L3Y 1R4 - Newmarket, York, Ontario
- L3Y 1R5 - Newmarket, York, Ontario
- L3Y 1R6 - Newmarket, York, Ontario
- L3Y 1R7 - Newmarket, York, Ontario
- L3Y 1R8 - Newmarket, York, Ontario
- L3Y 1R9 - Newmarket, York, Ontario
- L3Y 1S1 - Newmarket, York, Ontario
- L3Y 1S2 - Newmarket, York, Ontario
- L3Y 1S3 - Newmarket, York, Ontario
- L3Y 1S4 - Newmarket, York, Ontario
- L3Y 1S5 - Newmarket, York, Ontario
- L3Y 1S6 - Newmarket, York, Ontario