B1J 1B4 is Canadian Postal Code located in Northside East Bay Nova Scotia.
| Postal Code | B1J 1B4 |
| Forward Sortation Area | B1J |
| Name | Northside East Bay |
| Province | Nova Scotia |
| Administrative Division | Cape Breton Regional Municipality |
| Timezone | (ADT) |
| Area Code(s) | 782 / 902 |