| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Arnoldov, Ostrov | 362 51 |
| Postal/ZIP Codes in Dolní Žďár, Ostrov | 363 01 |
| Postal/ZIP Codes in Hluboký, Ostrov | 363 01 |
| Postal/ZIP Codes in Horní Žďár, Ostrov | 363 01 |
| Postal/ZIP Codes in Kfely, Ostrov | 363 01 |
| Postal/ZIP Codes in Květnová, Ostrov | 363 01 |
| Postal/ZIP Codes in Liticov, Ostrov | 363 01 |
| Postal/ZIP Codes in Maroltov, Ostrov | 363 01 |
| Postal/ZIP Codes in Mořičov, Ostrov | 363 01 |
| Postal/ZIP Codes in Ostrov, Ostrov | 363 01 |
| Postal/ZIP Codes in Vykmanov, Ostrov | 363 01 |