Seznam oblastí
- L1G 4B7 - Oshawa, Durham, Ontario
- L1G 4B8 - Oshawa, Durham, Ontario
- L1G 4C1 - Oshawa, Durham, Ontario
- L1G 4C2 - Oshawa, Durham, Ontario
- L1G 4C3 - Oshawa, Durham, Ontario
- L1G 4C4 - Oshawa, Durham, Ontario
- L1G 4C5 - Oshawa, Durham, Ontario
- L1G 4C6 - Oshawa, Durham, Ontario
- L1G 4C9 - Oshawa, Durham, Ontario
- L1G 4E3 - Oshawa, Durham, Ontario
- L1G 4E4 - Oshawa, Durham, Ontario
- L1G 4E5 - Oshawa, Durham, Ontario
- L1G 4E6 - Oshawa, Durham, Ontario
- L1G 4E7 - Oshawa, Durham, Ontario
- L1G 4E8 - Oshawa, Durham, Ontario
- L1G 4E9 - Oshawa, Durham, Ontario
- L1G 4G1 - Oshawa, Durham, Ontario
- L1G 4G2 - Oshawa, Durham, Ontario
- L1G 4G3 - Oshawa, Durham, Ontario
- L1G 4G4 - Oshawa, Durham, Ontario