ZIP code · Keene · New Hampshire · United States
ZIP code 03431 — Keene
ZIP code 03431 serves Keene, New Hampshire.
- Postal code
- 03431Single source Value from one source, not cross-checked.
- City
- Keene
- County
- Cheshire
- State
- New Hampshire
- Country
- United States
- Coordinates
- 42.9627, -72.2955 — precision precise (locality)
View on OpenStreetMap - Population
- 25,035 (ZCTA, ACS 5-year)
- Median household income
- $78,196
- Median age
- 36.8
Nearby localities
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page