ZIP code · Barnstead · New Hampshire · United States
ZIP code 03218 — Barnstead
ZIP code 03218 serves Barnstead, New Hampshire.
- Postal code
- 03218Single source Value from one source, not cross-checked.
- City
- Barnstead
- County
- Belknap
- State
- New Hampshire
- Country
- United States
- Coordinates
- 43.3349, -71.2887 — precision precise (locality)
View on OpenStreetMap - Population
- 1,202 (ZCTA, ACS 5-year)
- Median household income
- $97,669
- Median age
- 42.7
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