Region List
- L3P 1A2 - Markham, York, Ontario
- L3P 1A3 - Markham, York, Ontario
- L3P 1A4 - Markham, York, Ontario
- L3P 1A5 - Markham, York, Ontario
- L3P 1A6 - Markham, York, Ontario
- L3P 1A7 - Markham, York, Ontario
- L3P 1A8 - Markham, York, Ontario
- L3P 1A9 - Markham, York, Ontario
- L3P 1B1 - Markham, York, Ontario
- L3P 1B2 - Markham, York, Ontario
- L3P 1B3 - Markham, York, Ontario
- L3P 1B4 - Markham, York, Ontario
- L3P 1B6 - Markham, York, Ontario
- L3P 1B7 - Markham, York, Ontario
- L3P 1B8 - Markham, York, Ontario
- L3P 1B9 - Markham, York, Ontario
- L3P 1C1 - Markham, York, Ontario
- L3P 1C2 - Markham, York, Ontario
- L3P 1C3 - Markham, York, Ontario
- L3P 1C4 - Markham, York, Ontario