Bölge listesi
- N7X 1G7 - Sarnia, Lake Hurron, Ontario
- N7X 1G8 - Sarnia, Lake Hurron, Ontario
- N7X 1G9 - Sarnia, Lake Hurron, Ontario
- N7X 1H1 - Sarnia, Lake Hurron, Ontario
- N7X 1H2 - Sarnia, Lake Hurron, Ontario
- N7X 1H4 - Sarnia, Lake Hurron, Ontario
- N7X 1H5 - Sarnia, Lake Hurron, Ontario
- N7X 1H6 - Sarnia, Lake Hurron, Ontario
- N7X 1H7 - Sarnia, Lake Hurron, Ontario