| Place | Post Code |
|---|---|
| Buchov, Postupice | 257 01 |
| Čelivo, Postupice | 257 01 |
| Dobříčkov, Postupice | 257 01 |
| Holčovice, Postupice | 257 01 |
| Jemniště, Postupice | 257 01 |
| Lhota Veselka, Postupice | 257 01 |
| Lísek, Postupice | 257 01 |
| Milovanice, Postupice | 257 01 |
| Miroslav, Postupice | 257 01 |
| Mokliny, Postupice | 257 01 |
| Nová Ves, Postupice | 257 01 |
| Postupice, Postupice | 257 01 |
| Pozov, Postupice | 257 01 |
| Roubíčkova Lhota, Postupice | 257 01 |
| Sušice, Postupice | 257 01 |
| Vrbětín, Postupice | 257 01 |