| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Atwood, Perth | N0G |
| Postal/ZIP Codes in Bornholm, Perth | N0K |
| Postal/ZIP Codes in Brodhagen, Perth | N0K 1B0, N0K 0A4 |
| Postal/ZIP Codes in Brunner, Perth | N0K |
| Postal/ZIP Codes in Dublin, Perth | N0K |
| Postal/ZIP Codes in Fullarton, Perth | N0K 1H0 |
| Postal/ZIP Codes in Gads Hill, Perth | N0K |
| Postal/ZIP Codes in Gowanstown, Perth | N0G 1Y0 |
| Postal/ZIP Codes in Listowel, Perth | N4W |
| Postal/ZIP Codes in Millbank, Perth | N0K 1L0 |
| Postal/ZIP Codes in Milverton, Perth | N0K |
| Postal/ZIP Codes in Mitchell, Perth | N0K |
| Postal/ZIP Codes in Monkton, Perth | N0K 1P0 |
| Postal/ZIP Codes in Newton, Perth | N0K 1R0 |
| Postal/ZIP Codes in Poole, Perth | N0K 1S0, N0K 0B2 |
| Postal/ZIP Codes in Rostock, Perth | N0K 0A1, N0K 1T0 |
| Postal/ZIP Codes in Saint Marys, Perth | N4X |
| Postal/ZIP Codes in Sebringville, Perth | N0K |
| Postal/ZIP Codes in Shakespeare, Perth | N0B 2P0 |
| Postal/ZIP Codes in Staffa, Perth | N0K 1Y0 |
| Postal/ZIP Codes in Stratford, Perth | N4Z, N5A |