Seznam oblastí
- N7S 3A2 - Sarnia, Lambton, Ontario
- N7S 3A3 - Sarnia, Lambton, Ontario
- N7S 3A4 - Sarnia, Lambton, Ontario
- N7S 3A5 - Sarnia, Lambton, Ontario
- N7S 3A6 - Sarnia, Lambton, Ontario
- N7S 3A7 - Sarnia, Lambton, Ontario
- N7S 3A8 - Sarnia, Lambton, Ontario
- N7S 3A9 - Sarnia, Lambton, Ontario
- N7S 3B1 - Sarnia, Lambton, Ontario
- N7S 3B2 - Sarnia, Lambton, Ontario
- N7S 3B3 - Sarnia, Lambton, Ontario
- N7S 3B4 - Sarnia, Lambton, Ontario
- N7S 3B5 - Sarnia, Lambton, Ontario
- N7S 3B6 - Sarnia, Lambton, Ontario
- N7S 3B7 - Sarnia, Lambton, Ontario
- N7S 3B8 - Sarnia, Lambton, Ontario
- N7S 3B9 - Sarnia, Lambton, Ontario
- N7S 3C1 - Sarnia, Lambton, Ontario
- N7S 3C2 - Sarnia, Lambton, Ontario
- N7S 3C3 - Sarnia, Lambton, Ontario