Regiolijst
- L1G 3T3 - Oshawa, Durham, Ontario
- L1G 3T4 - Oshawa, Durham, Ontario
- L1G 3T5 - Oshawa, Durham, Ontario
- L1G 3T6 - Oshawa, Durham, Ontario
- L1G 3T7 - Oshawa, Durham, Ontario
- L1G 3T8 - Oshawa, Durham, Ontario
- L1G 3T9 - Oshawa, Durham, Ontario
- L1G 3V1 - Oshawa, Durham, Ontario
- L1G 3V2 - Oshawa, Durham, Ontario
- L1G 3V3 - Oshawa, Durham, Ontario
- L1G 3V4 - Oshawa, Durham, Ontario
- L1G 3V5 - Oshawa, Durham, Ontario
- L1G 3V6 - Oshawa, Durham, Ontario
- L1G 3V7 - Oshawa, Durham, Ontario
- L1G 3V8 - Oshawa, Durham, Ontario
- L1G 3W1 - Oshawa, Durham, Ontario
- L1G 3W2 - Oshawa, Durham, Ontario
- L1G 3W3 - Oshawa, Durham, Ontario
- L1G 3W4 - Oshawa, Durham, Ontario
- L1G 3W7 - Oshawa, Durham, Ontario