Liste de la région
- L1G 2A6 - Oshawa, Durham, Ontario
- L1G 2A7 - Oshawa, Durham, Ontario
- L1G 2A8 - Oshawa, Durham, Ontario
- L1G 2A9 - Oshawa, Durham, Ontario
- L1G 2B1 - Oshawa, Durham, Ontario
- L1G 2B2 - Oshawa, Durham, Ontario
- L1G 2B3 - Oshawa, Durham, Ontario
- L1G 2B4 - Oshawa, Durham, Ontario
- L1G 2B5 - Oshawa, Durham, Ontario
- L1G 2B6 - Oshawa, Durham, Ontario
- L1G 2B7 - Oshawa, Durham, Ontario
- L1G 2B8 - Oshawa, Durham, Ontario
- L1G 2B9 - Oshawa, Durham, Ontario
- L1G 2C1 - Oshawa, Durham, Ontario
- L1G 2C2 - Oshawa, Durham, Ontario
- L1G 2C3 - Oshawa, Durham, Ontario
- L1G 2C4 - Oshawa, Durham, Ontario
- L1G 2C5 - Oshawa, Durham, Ontario
- L1G 2C6 - Oshawa, Durham, Ontario
- L1G 2C7 - Oshawa, Durham, Ontario