B3Z 2A3 is Canadian Postal Code located in Head of Saint Margarets Bay Nova Scotia.
| Postal Code | B3Z 2A3 |
| Forward Sortation Area | B3Z |
| Name | Head of Saint Margarets Bay |
| Province | Nova Scotia |
| Administrative Division | Halifax Regional Municipality |
| Timezone | (ADT) |
| Area Code(s) | 782 / 902 |