Seznam oblastí
- N7S 3P3 - Sarnia, Lambton, Ontario
- N7S 3P4 - Sarnia, Lambton, Ontario
- N7S 3P8 - Sarnia, Lambton, Ontario
- N7S 3P9 - Sarnia, Lambton, Ontario
- N7S 3R1 - Sarnia, Lambton, Ontario
- N7S 3R2 - Sarnia, Lambton, Ontario
- N7S 3R3 - Sarnia, Lambton, Ontario
- N7S 3R4 - Sarnia, Lambton, Ontario
- N7S 3R5 - Sarnia, Lambton, Ontario
- N7S 3R6 - Sarnia, Lambton, Ontario
- N7S 3R7 - Sarnia, Lambton, Ontario
- N7S 3R8 - Sarnia, Lambton, Ontario
- N7S 3R9 - Sarnia, Lambton, Ontario
- N7S 3S1 - Sarnia, Lambton, Ontario
- N7S 3S2 - Sarnia, Lambton, Ontario
- N7S 3S3 - Sarnia, Lambton, Ontario
- N7S 3S4 - Sarnia, Lambton, Ontario
- N7S 3S5 - Sarnia, Lambton, Ontario
- N7S 3S6 - Sarnia, Lambton, Ontario
- N7S 3S7 - Sarnia, Lambton, Ontario