区域列表
- N7S 1N8 - Sarnia, Lambton, Ontario
- N7S 1N9 - Sarnia, Lambton, Ontario
- N7S 1P1 - Sarnia, Lambton, Ontario
- N7S 1P2 - Sarnia, Lambton, Ontario
- N7S 1P3 - Sarnia, Lambton, Ontario
- N7S 1P4 - Sarnia, Lambton, Ontario
- N7S 1P5 - Sarnia, Lambton, Ontario
- N7S 1P6 - Sarnia, Lambton, Ontario
- N7S 1P7 - Sarnia, Lambton, Ontario
- N7S 1P8 - Sarnia, Lambton, Ontario
- N7S 1P9 - Sarnia, Lambton, Ontario
- N7S 1R1 - Sarnia, Lambton, Ontario
- N7S 1R3 - Sarnia, Lambton, Ontario
- N7S 1R4 - Sarnia, Lambton, Ontario
- N7S 1R5 - Sarnia, Lambton, Ontario
- N7S 1R6 - Sarnia, Lambton, Ontario
- N7S 1R7 - Sarnia, Lambton, Ontario
- N7S 1R8 - Sarnia, Lambton, Ontario
- N7S 1R9 - Sarnia, Lambton, Ontario
- N7S 1S1 - Sarnia, Lambton, Ontario