| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Bădeni, Runcu | 137401 |
| Postal/ZIP Codes in Brebu, Runcu | 137402 |
| Postal/ZIP Codes in Ferestre, Runcu | 137403 |
| Postal/ZIP Codes in Piatra, Runcu | 137404 |
| Postal/ZIP Codes in Runcu, Runcu | 137400 |
| Postal/ZIP Codes in Siliştea, Runcu | 137406 |