| Place | Post Code |
|---|---|
| Amberg, Gramastetten | 4100, 4201 |
| Anger, Gramastetten | 4201 |
| Feldsdorf, Gramastetten | 4201 |
| Gramastetten, Gramastetten | 4201 |
| Großamberg, Gramastetten | 4040 |
| Hals, Gramastetten | 4201 |
| Hamberg, Gramastetten | 4111, 4201 |
| Lassersdorf, Gramastetten | 4201 |
| Lichtenhag, Gramastetten | 4201 |
| Limberg, Gramastetten | 4112, 4201, 4201 |
| Maierleiten, Gramastetten | 4112, 4201 |
| Neulichtenberg, Gramastetten | 4040 |
| Pöstlingberg, Gramastetten | 4040 |
| Schlagberg, Gramastetten | 4100 |
| Stötten, Gramastetten | 4201 |
| Türkstetten, Gramastetten | 4040, 4201 |
| Wieshof, Gramastetten | 4112, 4201, 4201 |