| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Biecz, Biecz | 38-340 |
| Postal/ZIP Codes in Binarowa, Biecz | 38-340 |
| Postal/ZIP Codes in Bugaj, Biecz | 38-323 |
| Postal/ZIP Codes in Głęboka, Biecz | 38-340 |
| Postal/ZIP Codes in Grudna Kępska, Biecz | 38-340 |
| Postal/ZIP Codes in Korczyna, Biecz | 38-340 |
| Postal/ZIP Codes in Libusza, Biecz | 38-306 |
| Postal/ZIP Codes in Racławice, Biecz | 38-323 |
| Postal/ZIP Codes in Rożnowice, Biecz | 38-323 |
| Postal/ZIP Codes in Sitnica, Biecz | 38-323 |
| Postal/ZIP Codes in Strzeszyn, Biecz | 38-340 |