Postcodes for Unter-Siegendorf - Austria
List of postcodes associated with Unter-Siegendorf in Austria.
| Postcode | Town/locality | Region / county / province | Type | Source | Last update |
|---|---|---|---|---|---|
| 3383 | Unter-Siegendorf | Niederösterreich | Complete postcode | OpenPLZ Austria street postal-code API export | 7/13/2026 |