Postcodes for Gumniska Wielkie - Poland
List of postcodes associated with Gumniska Wielkie in Poland.
| Postcode | Town/locality | Region / county / province | Type | Source | Last update |
|---|---|---|---|---|---|
| 14-330 | Gumniska Wielkie | Warmia-Masuria | Complete postcode | GeoNames Postal Codes | 7/6/2026 |