List of All Postal Codes in Olecko County | ||
|---|---|---|
| Postal Code Code | Postal Code Name | Voivodeship |
| 19-400 | Olecko | Warmian-Masurian Voivodeship |
| 19-404 | Wieliczki | Warmian-Masurian Voivodeship |
| 19-411 | Świętajno | Warmian-Masurian Voivodeship |
| 19-420 | Kowale Oleckie | Warmian-Masurian Voivodeship |