| Place | Post Code |
|---|---|
| Ciechanki Krzesimowskie, Łęczna | 21-010 |
| Ciechanki Łęczyńskie, Łęczna | 21-010 |
| Karolin, Łęczna | 21-010 |
| Łęczna, Łęczna | 21-010 |
| Leopoldów, Łęczna | 21-010 |
| Łuszczów-Kolonia, Łęczna | 21-010 |
| Nowogród, Łęczna | 21-010 |
| Piotrówek Drugi, Łęczna | 21-010 |
| Podzamcze, Łęczna | 21-010 |
| Rossosz, Łęczna | 21-010 |
| Stara Wieś, Łęczna | 21-010 |
| Stara Wieś-Kolonia, Łęczna | 21-010 |
| Stara Wieś-Stasin, Łęczna | 21-010 |
| Trębaczów, Łęczna | 21-010 |
| Witaniów, Łęczna | 21-010 |
| Zakrzów, Łęczna | 21-010 |
| Zofiówka, Łęczna | 21-010 |
| All postal codes in Łęczyński | |
|---|---|
| Cyców, Łęczyński | |
| Łęczna, Łęczyński | |
| Ludwin, Łęczyński | |
| Milejów, Łęczyński | |
| Puchaczów, Łęczyński | |
| Spiczyn, Łęczyński | |