| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Hološiny, Petrovice I | 286 01 |
| Postal/ZIP Codes in Michalovice, Petrovice I | 285 22 |
| Postal/ZIP Codes in Petrovice I, Petrovice I | 286 01 |
| Postal/ZIP Codes in Senetín, Petrovice I | 286 01 |
| Postal/ZIP Codes in Újezdec, Petrovice I | 286 01 |