Region List
- L1E 1M9 - Courtice, Durham, Ontario
- L1E 1N1 - Courtice, Durham, Ontario
- L1E 1N2 - Courtice, Durham, Ontario
- L1E 1N3 - Courtice, Durham, Ontario
- L1E 1N4 - Courtice, Durham, Ontario
- L1E 1N5 - Courtice, Durham, Ontario
- L1E 1N6 - Courtice, Durham, Ontario
- L1E 1N7 - Courtice, Durham, Ontario
- L1E 1N8 - Courtice, Durham, Ontario
- L1E 1N9 - Courtice, Durham, Ontario
- L1E 1P1 - Courtice, Durham, Ontario
- L1E 1P2 - Courtice, Durham, Ontario
- L1E 1P3 - Courtice, Durham, Ontario
- L1E 1P4 - Courtice, Durham, Ontario
- L1E 1P5 - Courtice, Durham, Ontario
- L1E 1P6 - Courtice, Durham, Ontario
- L1E 1P7 - Courtice, Durham, Ontario
- L1E 1P8 - Courtice, Durham, Ontario
- L1E 1P9 - Courtice, Durham, Ontario
- L1E 1R1 - Courtice, Durham, Ontario