| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Amma, Roane | 25005 |
| Postal/ZIP Codes in Gandeeville, Roane | 25243 |
| Postal/ZIP Codes in Harmony, Roane | 25243 |
| Postal/ZIP Codes in Left Hand, Roane | 25251 |
| Postal/ZIP Codes in Linden, Roane | 25259 |
| Postal/ZIP Codes in Looneyville, Roane | 25259 |
| Postal/ZIP Codes in Newton, Roane | 25266 |
| Postal/ZIP Codes in Pigeon, Roane | 25164 |
| Postal/ZIP Codes in Reedy, Roane | 25270 |
| Postal/ZIP Codes in Spencer, Roane | 25276 |
| Postal/ZIP Codes in Tariff, Roane | 25259 |
| Postal/ZIP Codes in Uler, Roane | 25266 |
| Postal/ZIP Codes in Walton, Roane | 25286 |