| Locality | Post Code |
|---|---|
| Ancram, Columbia | 12502 |
| Ancramdale, Columbia | 12503 |
| Austerlitz, Columbia | 12017 |
| Canaan, Columbia | 12029 |
| Chatham, Columbia | 12037 |
| Cheviot, Columbia | 12526 |
| Claverack, Columbia | 12513 |
| Clermont, Columbia | 12526 |
| Columbiaville, Columbia | 12050 |
| Copake, Columbia | 12516 |
| Copake Falls, Columbia | 12517 |
| Craryville, Columbia | 12521 |
| East Chatham, Columbia | 12060 |
| Elizaville, Columbia | 12523 |
| Germantown, Columbia | 12526 |
| Ghent, Columbia | 12075 |
| Hillsdale, Columbia | 12529 |
| Hollowville, Columbia | 12530 |
| Hudson, Columbia | 12534 |
| Kinderhook, Columbia | 12106 |
| Lebanon Springs, Columbia | 12125 |
| Linlithgo, Columbia | 12526 |
| Livingston, Columbia | 12541 |
| Malden Bridge, Columbia | 12115 |
| Mellenville, Columbia | 12544 |
| New Lebanon, Columbia | 12125 |