| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Borówki, Gromadka | 59-706 |
| Postal/ZIP Codes in Gromadka, Gromadka | 59-706 |
| Postal/ZIP Codes in Krzyżowa, Gromadka | 59-706 |
| Postal/ZIP Codes in Modła, Gromadka | 59-706 |
| Postal/ZIP Codes in Motyle, Gromadka | 59-706 |
| Postal/ZIP Codes in Nowa Kuźnia, Gromadka | 59-706 |
| Postal/ZIP Codes in Osła, Gromadka | 59-706 |
| Postal/ZIP Codes in Pasternik, Gromadka | 59-706 |
| Postal/ZIP Codes in Patoka, Gromadka | 59-706 |
| Postal/ZIP Codes in Różyniec, Gromadka | 59-706 |
| Postal/ZIP Codes in Wierzbowa, Gromadka | 59-706 |