| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ciasna, Ciasna | 42-793 |
| Postal/ZIP Codes in Dzielna, Ciasna | 42-793 |
| Postal/ZIP Codes in Glinica, Ciasna | 42-793 |
| Postal/ZIP Codes in Jeżowa, Ciasna | 42-793 |
| Postal/ZIP Codes in Molna, Ciasna | 42-793 |
| Postal/ZIP Codes in Panoszów, Ciasna | 42-793 |
| Postal/ZIP Codes in Sieraków Śląski, Ciasna | 42-793 |
| Postal/ZIP Codes in Wędzina, Ciasna | 42-793 |
| Postal/ZIP Codes in Zborowskie, Ciasna | 42 |