| Locality | Post Code |
|---|---|
| Brunkild, Whitehorse Plains | R0G 0C1, R0G 0E0 |
| Cartier, Whitehorse Plains | R4K |
| Dacotah, Whitehorse Plains | R4K 1C1 |
| Domain, Whitehorse Plains | R0G 0M0 |
| Elie, Whitehorse Plains | R0H 0A2, R0H 0H0 |
| La Salle, Whitehorse Plains | R0G |
| Oak Bluff, Whitehorse Plains | R0G, R4G |
| Saint Eustache, Whitehorse Plains | R0H 0B5, R0H 1H0 |
| Saint Francois Xavier, Whitehorse Plains | R4L |
| Sainte Agathe East, Whitehorse Plains | R0G 1Y2 |
| Sanford, Whitehorse Plains | R0G 0A7, R0G 2J0 |
| Springstein, Whitehorse Plains | R0G 2N0 |
| Starbuck, Whitehorse Plains | R0G 0A9, R0G 2P0 |