County · New Hampshire · United States
Belknap County ZIP codes
14 ZIP codes · 14 cities · FIPS 33001
Key facts
- State
- New Hampshire (NH)
- FIPS code
- 33001
- Population
- 64,300
- Median household income
- $87,983
- Median age
- 48.3
- Land area
- 401.8 sq mi (1,040.8 km²)
- Population density
- 160 / sq mi
- Area codes
- 603
Cities and ZIP codes in Belknap County (14)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.