Region List
- L1M 0A1 - Whitby, Durham, Ontario
- L1M 0A2 - Whitby, Durham, Ontario
- L1M 0A3 - Whitby, Durham, Ontario
- L1M 0A4 - Whitby, Durham, Ontario
- L1M 0A5 - Whitby, Durham, Ontario
- L1M 0A6 - Whitby, Durham, Ontario
- L1M 0A7 - Whitby, Durham, Ontario
- L1M 0A8 - Whitby, Durham, Ontario
- L1M 0A9 - Whitby, Durham, Ontario
- L1M 0B1 - Whitby, Durham, Ontario
- L1M 0B2 - Whitby, Durham, Ontario
- L1M 0B3 - Whitby, Durham, Ontario
- L1M 0B5 - Whitby, Durham, Ontario
- L1M 0B6 - Whitby, Durham, Ontario
- L1M 0B7 - Whitby, Durham, Ontario
- L1M 0B8 - Whitby, Durham, Ontario
- L1M 0B9 - Whitby, Durham, Ontario
- L1M 0C1 - Whitby, Durham, Ontario
- L1M 0C2 - Whitby, Durham, Ontario
- L1M 0C3 - Whitby, Durham, Ontario