区域列表
- N7S 2C2 - Sarnia, Lambton, Ontario
- N7S 2C3 - Sarnia, Lambton, Ontario
- N7S 2C4 - Sarnia, Lambton, Ontario
- N7S 2C5 - Sarnia, Lambton, Ontario
- N7S 2C6 - Sarnia, Lambton, Ontario
- N7S 2C7 - Sarnia, Lambton, Ontario
- N7S 2C8 - Sarnia, Lambton, Ontario
- N7S 2C9 - Sarnia, Lambton, Ontario
- N7S 2E1 - Sarnia, Lambton, Ontario
- N7S 2E2 - Sarnia, Lambton, Ontario
- N7S 2E3 - Sarnia, Lambton, Ontario
- N7S 2E4 - Sarnia, Lambton, Ontario
- N7S 2E5 - Sarnia, Lambton, Ontario
- N7S 2E6 - Sarnia, Lambton, Ontario
- N7S 2E7 - Sarnia, Lambton, Ontario
- N7S 2E8 - Sarnia, Lambton, Ontario
- N7S 2E9 - Sarnia, Lambton, Ontario
- N7S 2G1 - Sarnia, Lambton, Ontario
- N7S 2G2 - Sarnia, Lambton, Ontario
- N7S 2G3 - Sarnia, Lambton, Ontario