| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Allen Springs, Warren | 42122 |
| Postal/ZIP Codes in Alvaton, Warren | 42122 |
| Postal/ZIP Codes in Blue Level, Warren | 42274 |
| Postal/ZIP Codes in Bowling Green, Warren | 42101, 42102, 42103, 42104 |
| Postal/ZIP Codes in Browning, Warren | 42274 |
| Postal/ZIP Codes in Cavehill, Warren | 42274 |
| Postal/ZIP Codes in Drake, Warren | 42128 |
| Postal/ZIP Codes in Hadley, Warren | 42101 |
| Postal/ZIP Codes in Oakland, Warren | 42159 |
| Postal/ZIP Codes in Petros, Warren | 42274 |
| Postal/ZIP Codes in Plum Springs, Warren | 42101 |
| Postal/ZIP Codes in Richardsville, Warren | 42101 |
| Postal/ZIP Codes in Rockfield, Warren | 42274 |
| Postal/ZIP Codes in Smiths Grove, Warren | 42171 |
| Postal/ZIP Codes in Woodburn, Warren | 42170 |