Lista de região
- L1G 4J7 - Oshawa, Durham, Ontario
- L1G 4J8 - Oshawa, Durham, Ontario
- L1G 4J9 - Oshawa, Durham, Ontario
- L1G 4K1 - Oshawa, Durham, Ontario
- L1G 4K2 - Oshawa, Durham, Ontario
- L1G 4K3 - Oshawa, Durham, Ontario
- L1G 4K4 - Oshawa, Durham, Ontario
- L1G 4K5 - Oshawa, Durham, Ontario
- L1G 4K6 - Oshawa, Durham, Ontario
- L1G 4K7 - Oshawa, Durham, Ontario
- L1G 4K8 - Oshawa, Durham, Ontario
- L1G 4K9 - Oshawa, Durham, Ontario
- L1G 4L1 - Oshawa, Durham, Ontario
- L1G 4L2 - Oshawa, Durham, Ontario
- L1G 4L3 - Oshawa, Durham, Ontario
- L1G 4L4 - Oshawa, Durham, Ontario
- L1G 4L5 - Oshawa, Durham, Ontario
- L1G 4L6 - Oshawa, Durham, Ontario
- L1G 4L7 - Oshawa, Durham, Ontario
- L1G 4L8 - Oshawa, Durham, Ontario