Region List
- L3P 1C5 - Markham, York, Ontario
- L3P 1C6 - Markham, York, Ontario
- L3P 1C7 - Markham, York, Ontario
- L3P 1C8 - Markham, York, Ontario
- L3P 1C9 - Markham, York, Ontario
- L3P 1E1 - Markham, York, Ontario
- L3P 1E2 - Markham, York, Ontario
- L3P 1E3 - Markham, York, Ontario
- L3P 1E4 - Markham, York, Ontario
- L3P 1E5 - Markham, York, Ontario
- L3P 1E6 - Markham, York, Ontario
- L3P 1E7 - Markham, York, Ontario
- L3P 1E8 - Markham, York, Ontario
- L3P 1E9 - Markham, York, Ontario
- L3P 1G1 - Markham, York, Ontario
- L3P 1G2 - Markham, York, Ontario
- L3P 1G3 - Markham, York, Ontario
- L3P 1G4 - Markham, York, Ontario
- L3P 1G5 - Markham, York, Ontario
- L3P 1G6 - Markham, York, Ontario