Region List
- L1E 1B1 - Courtice, Durham, Ontario
- L1E 1B2 - Courtice, Durham, Ontario
- L1E 1B3 - Courtice, Durham, Ontario
- L1E 1B4 - Courtice, Durham, Ontario
- L1E 1B5 - Courtice, Durham, Ontario
- L1E 1B6 - Courtice, Durham, Ontario
- L1E 1B7 - Courtice, Durham, Ontario
- L1E 1B8 - Courtice, Durham, Ontario
- L1E 1B9 - Courtice, Durham, Ontario
- L1E 1C1 - Courtice, Durham, Ontario
- L1E 1C2 - Courtice, Durham, Ontario
- L1E 1C3 - Courtice, Durham, Ontario
- L1E 1C4 - Courtice, Durham, Ontario
- L1E 1C5 - Courtice, Durham, Ontario
- L1E 1C6 - Courtice, Durham, Ontario
- L1E 1C7 - Courtice, Durham, Ontario
- L1E 1C8 - Courtice, Durham, Ontario
- L1E 1C9 - Courtice, Durham, Ontario
- L1E 1E1 - Courtice, Durham, Ontario
- L1E 1E2 - Courtice, Durham, Ontario