Region List
- L3P 1S9 - Markham, York, Ontario
- L3P 1T1 - Markham, York, Ontario
- L3P 1T2 - Markham, York, Ontario
- L3P 1T3 - Markham, York, Ontario
- L3P 1T4 - Markham, York, Ontario
- L3P 1T5 - Markham, York, Ontario
- L3P 1T6 - Markham, York, Ontario
- L3P 1T7 - Markham, York, Ontario
- L3P 1T8 - Markham, York, Ontario
- L3P 1T9 - Markham, York, Ontario
- L3P 1V1 - Markham, York, Ontario
- L3P 1V3 - Markham, York, Ontario
- L3P 1V4 - Markham, York, Ontario
- L3P 1V5 - Markham, York, Ontario
- L3P 1V2 - Markham, York, Ontario
- L3P 1V6 - Markham, York, Ontario
- L3P 1V7 - Markham, York, Ontario
- L3P 1V8 - Markham, York, Ontario
- L3P 1V9 - Markham, York, Ontario
- L3P 1W1 - Markham, York, Ontario