County · Connecticut · United States
Fairfield County ZIP codes
46 ZIP codes · 28 cities · FIPS 09001
Key facts
- State
- Connecticut (CT)
- FIPS code
- 09001
- Land area
- 625 sq mi (1,618.7 km²)
- Area codes
- 203, 475, 860
Cities and ZIP codes in Fairfield County (28)
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.