| Place | Post Code |
|---|---|
| Au, Ernstbrunn | 2116 |
| Dörfles, Ernstbrunn | 2115 |
| Ernstbrunn, Ernstbrunn | 2115 |
| Gebmanns, Ernstbrunn | 2115 |
| Klement, Ernstbrunn | 2116 |
| Lachsfeld, Ernstbrunn | 2113 |
| Maisbirbaum, Ernstbrunn | 2115 |
| Merkersdorf, Ernstbrunn | 2115 |
| Naglern, Ernstbrunn | 2113 |
| Simonsfeld, Ernstbrunn | 2115 |
| Steinbach, Ernstbrunn | 2115 |
| Thomasl, Ernstbrunn | 2115 |