| Ortschaft | Postleitzahl |
|---|---|
| Albia, Rensselaer | 12180 |
| Alps, Rensselaer | 12018 |
| Averill Park, Rensselaer | 12018 |
| Berlin, Rensselaer | 12022 |
| Boyntonville, Rensselaer | 12090 |
| Brainard, Rensselaer | 12024 |
| Brookview, Rensselaer | 12033 |
| Brunswick, Rensselaer | 12180 |
| Burden Lake, Rensselaer | 12018 |
| Buskirk, Rensselaer | 12028 |
| Castleton, Rensselaer | 12033 |
| Castleton on Hudson, Rensselaer | 12033 |
| Center Berlin, Rensselaer | 12022 |
| Center Brunswick, Rensselaer | 12180 |
| Cherry Plain, Rensselaer | 12040 |
| Cropseyville, Rensselaer | 12052 |
| Defreestville, Rensselaer | 12144 |
| Dunham Hollow, Rensselaer | 12018 |
| Eagle Bridge, Rensselaer | 12057 |
| Eagle Mills, Rensselaer | 12180 |
| East Greenbush, Rensselaer | 12061 |
| East Nassau, Rensselaer | 12062 |
| East Poestenkill, Rensselaer | 12018 |
| East Schodack, Rensselaer | 12063 |
| Easton, Rensselaer | 12154 |
| Glass Lake, Rensselaer | 12018 |