Region List
- L6E 1Z7 - Markham, York, Ontario
- L6E 1Z8 - Markham, York, Ontario
- L6E 1Z9 - Markham, York, Ontario
- L6E 2A1 - Markham, York, Ontario
- L6E 2A2 - Markham, York, Ontario
- L6E 2A3 - Markham, York, Ontario
- L6E 2A4 - Markham, York, Ontario
- L6E 2A5 - Markham, York, Ontario
- L6E 2A6 - Markham, York, Ontario
- L6E 2A7 - Markham, York, Ontario
- L6E 2A8 - Markham, York, Ontario
- L6E 2A9 - Markham, York, Ontario
- L6E 2B1 - Markham, York, Ontario
- L6E 2B2 - Markham, York, Ontario
- L6E 2B3 - Markham, York, Ontario
- L6E 2B4 - Markham, York, Ontario
- L6E 2B5 - Markham, York, Ontario
- L6E 2B6 - Markham, York, Ontario
- L6E 2B7 - Markham, York, Ontario
- L6E 2B8 - Markham, York, Ontario