Daftar wilayah
- N7S 2L9 - Sarnia, Lambton, Ontario
- N7S 2M1 - Sarnia, Lambton, Ontario
- N7S 2M2 - Sarnia, Lambton, Ontario
- N7S 2M3 - Sarnia, Lambton, Ontario
- N7S 2M4 - Sarnia, Lambton, Ontario
- N7S 2M5 - Sarnia, Lambton, Ontario
- N7S 2M6 - Sarnia, Lambton, Ontario
- N7S 2M7 - Sarnia, Lambton, Ontario
- N7S 2M8 - Sarnia, Lambton, Ontario
- N7S 2M9 - Sarnia, Lambton, Ontario
- N7S 2N1 - Sarnia, Lambton, Ontario
- N7S 2N2 - Sarnia, Lambton, Ontario
- N7S 2N4 - Sarnia, Lambton, Ontario
- N7S 2N5 - Sarnia, Lambton, Ontario
- N7S 2N6 - Sarnia, Lambton, Ontario
- N7S 2N7 - Sarnia, Lambton, Ontario
- N7S 2N8 - Sarnia, Lambton, Ontario
- N7S 2N9 - Sarnia, Lambton, Ontario
- N7S 2P1 - Sarnia, Lambton, Ontario
- N7S 2P2 - Sarnia, Lambton, Ontario