| Place | Post Code |
|---|---|
| Altlassing, Lassing | 8903 |
| Burgfried, Lassing | 8900, 8903 |
| Döllach, Lassing | 8940 |
| Fuchslucken, Lassing | 8903 |
| Gatschling, Lassing | 8903 |
| Heuberg, Lassing | 8903 |
| Lassing-Kirchdorf, Lassing | 8903 |
| Moos, Lassing | 8903 |
| Neusiedl, Lassing | 8903 |
| Niedermoos, Lassing | 8903 |
| Schattenberg, Lassing | 8940, 8903, 8903 |
| Sonnberg, Lassing | 8903 |
| Spiegelsberg, Lassing | 8903 |
| Stein, Lassing | 8940 |
| Treschmitz, Lassing | 8903 |
| Trojach, Lassing | 8903 |
| Unterberg, Lassing | 8903 |
| Wieden, Lassing | 8903 |