Regiolijst
- L1G 3R1 - Oshawa, Durham, Ontario
- L1G 3R2 - Oshawa, Durham, Ontario
- L1G 3R3 - Oshawa, Durham, Ontario
- L1G 3R4 - Oshawa, Durham, Ontario
- L1G 3R5 - Oshawa, Durham, Ontario
- L1G 3R6 - Oshawa, Durham, Ontario
- L1G 3R7 - Oshawa, Durham, Ontario
- L1G 3R8 - Oshawa, Durham, Ontario
- L1G 3R9 - Oshawa, Durham, Ontario
- L1G 3S1 - Oshawa, Durham, Ontario
- L1G 3S2 - Oshawa, Durham, Ontario
- L1G 3S3 - Oshawa, Durham, Ontario
- L1G 3S4 - Oshawa, Durham, Ontario
- L1G 3S5 - Oshawa, Durham, Ontario
- L1G 3S6 - Oshawa, Durham, Ontario
- L1G 3S7 - Oshawa, Durham, Ontario
- L1G 3S8 - Oshawa, Durham, Ontario
- L1G 3S9 - Oshawa, Durham, Ontario
- L1G 3T1 - Oshawa, Durham, Ontario
- L1G 3T2 - Oshawa, Durham, Ontario