| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Czernica, Gaszowice | 44-282 |
| Postal/ZIP Codes in Gaszowice, Gaszowice | 44-293 |
| Postal/ZIP Codes in Łuków Śląski, Gaszowice | 44-282 |
| Postal/ZIP Codes in Piece, Gaszowice | 44-293 |
| Postal/ZIP Codes in Szczerbice, Gaszowice | 44-293 |