Region List
- L3P 0A1 - Markham, York, Ontario
- L3P 0A2 - Markham, York, Ontario
- L3P 0A3 - Markham, York, Ontario
- L3P 0A5 - Markham, York, Ontario
- L3P 0A6 - Markham, York, Ontario
- L3P 0A7 - Markham, York, Ontario
- L3P 0A8 - Markham, York, Ontario
- L3P 0A9 - Markham, York, Ontario
- L3P 0B1 - Markham, York, Ontario
- L3P 0B2 - Markham, York, Ontario
- L3P 0B3 - Markham, York, Ontario
- L3P 0B4 - Markham, York, Ontario
- L3P 0B5 - Markham, York, Ontario
- L3P 0B6 - Markham, York, Ontario
- L3P 0B8 - Markham, York, Ontario
- L3P 0B7 - Markham, York, Ontario
- L3P 0B9 - Markham, York, Ontario
- L3P 0C1 - Markham, York, Ontario
- L3P 0C2 - Markham, York, Ontario
- L3P 0C3 - Markham, York, Ontario