| Place | Postal Code |
|---|---|
| Annosław, Regnów | 96-232 |
| Kazimierzów, Regnów | 96-232 |
| Nowy Regnów, Regnów | 96-232 |
| Podskarbice Królewskie, Regnów | 96-232 |
| Podskarbice Szlacheckie, Regnów | 96-232 |
| Regnów, Regnów | 96-232 |
| Rylsk, Regnów | 96-232 |
| Rylsk Duży, Regnów | 96-232 |
| Rylsk Mały, Regnów | 96-232 |
| Sławków, Regnów | 96-232 |
| Sowidół, Regnów | 96-232 |
| Wólka Strońska, Regnów | 96-232 |