County · Connecticut · United States
New Haven County ZIP codes
41 ZIP codes · 26 cities · FIPS 09009
Key facts
- State
- Connecticut (CT)
- FIPS code
- 09009
- Land area
- 604.3 sq mi (1,565.1 km²)
- Area codes
- 203, 475
Cities and ZIP codes in New Haven County (26)
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.