| Locality | Post Code |
|---|---|
| Bonesteel, Gregory | 57317 |
| Burke, Gregory | 57523 |
| Carlock, Gregory | 57533 |
| Dallas, Gregory | 57529 |
| Dixon, Gregory | 57529 |
| Fairfax, Gregory | 57335 |
| Gregory, Gregory | 57533 |
| Herrick, Gregory | 57538 |
| Lucas, Gregory | 57523 |
| Paxton, Gregory | 57529 |
| Saint Charles, Gregory | 57571 |