B2A 4Y3 is Canadian Postal Code located in Upper North Sydney Nova Scotia.
| Postal Code | B2A 4Y3 |
| Forward Sortation Area | B2A |
| Name | Upper North Sydney |
| Province | Nova Scotia |
| Administrative Division | Cape Breton Regional Municipality |
| Timezone | (ADT) |
| Area Code(s) | 782 / 902 |