Rensselaer County ZIP Codes
Rensselaer County is a county of New York.
- ZIP codes
- 31
- Cities & towns
- 28
- Area codes
- 2
- Land area
- 652 sq mi
Every ZIP code in Rensselaer County
| ZIP code | City |
|---|---|
| 12018 | Averill Park |
| 12022 | Berlin |
| 12024 | Brainard |
| 12028 | Buskirk |
| 12033 | Castleton On Hudson |
| 12040 | Cherry Plain |
| 12052 | Cropseyville |
| 12061 | East Greenbush |
| 12062 | East Nassau |
| 12063 | East Schodack |
| 12082 | Grafton |
| 12089 | Hoosick |
| 12090 | Hoosick Falls |
| 12094 | Johnsonville |
| 12121 | Melrose |
| 12123 | Nassau |
| 12133 | North Hoosick |
| 12138 | Petersburg |
| 12140 | Poestenkill |
| 12144 | Rensselaer |
| 12153 | Sand Lake |
| 12154 | Schaghticoke |
| 12156 | Schodack Landing |
| 12168 | Stephentown |
| 12169 | Stephentown |
| 12180 | Troy |
| 12181 | Troy |
| 12182 | Troy |
| 12185 | Valley Falls |
| 12196 | West Sand Lake |
| 12198 | Wynantskill |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Rensselaer County codes above are listed without a column we would have to invent.
Cities and towns in Rensselaer County
A further 21 places in Rensselaer County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.
Area codes covering Rensselaer County
Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.
Where Rensselaer County's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope every ZIP code recorded in Rensselaer County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.