Bölge listesi
- L1G 1Y3 - Oshawa, Durham, Ontario
- L1G 1Y4 - Oshawa, Durham, Ontario
- L1G 1Y5 - Oshawa, Durham, Ontario
- L1G 1Y6 - Oshawa, Durham, Ontario
- L1G 1Y8 - Oshawa, Durham, Ontario
- L1G 1Y9 - Oshawa, Durham, Ontario
- L1G 1Z1 - Oshawa, Durham, Ontario
- L1G 1Z2 - Oshawa, Durham, Ontario
- L1G 1Z3 - Oshawa, Durham, Ontario
- L1G 1Z4 - Oshawa, Durham, Ontario
- L1G 1Z5 - Oshawa, Durham, Ontario
- L1G 1Z6 - Oshawa, Durham, Ontario
- L1G 1Z7 - Oshawa, Durham, Ontario
- L1G 1Z8 - Oshawa, Durham, Ontario
- L1G 1Z9 - Oshawa, Durham, Ontario
- L1G 2A1 - Oshawa, Durham, Ontario
- L1G 2A2 - Oshawa, Durham, Ontario
- L1G 2A3 - Oshawa, Durham, Ontario
- L1G 2A4 - Oshawa, Durham, Ontario
- L1G 2A5 - Oshawa, Durham, Ontario