| Place | Post Code |
|---|---|
| Burracoppin, Merredin | 6421 |
| Goomarin, Merredin | 6415 |
| Hines Hill, Merredin | 6413 |
| Korbel, Merredin | 6415 |
| Merredin, Merredin | 6415 |
| Muntadgin, Merredin | 6420 |
| Nangeenan, Merredin | 6414 |
| Nokaning, Merredin | 6415 |
| Norpa, Merredin | 6415 |
| Nukarni, Merredin | 6480 |
| South Burracoppin, Merredin | 6421 |
| Tandegin, Merredin | 6415 |