County · Massachusetts · United States
Norfolk County ZIP codes
39 ZIP codes · 36 cities · FIPS 25021
Key facts
- State
- Massachusetts (MA)
- FIPS code
- 25021
- Population
- 724,540
- Median household income
- $126,497
- Median age
- 40.9
- Land area
- 396.1 sq mi (1,025.9 km²)
- Population density
- 1,829 / sq mi
- Area codes
- 339, 508, 617, 774, 781, 857
Cities and ZIP codes in Norfolk County (36)
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.