ZIP CodesZIP codes in Rensselaer County, New York
Rensselaer County, New York has 31 ZIP codes in this list, from 12018 to 12198. They cover 28 places, among them Troy, Stephentown, Averill Park and Berlin.
Nothing in this county matches.
The ZIP code areas of Rensselaer County add up to about 697 square miles of land (1,805 sq km) as the Census Bureau draws them. The largest is 12138 (Petersburg), with 89.6 square miles.
Places with more than one code here: Troy (3 codes), Stephentown (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Averill Park, NY 12018.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.