ZIP code · New Haven · Connecticut · United States

ZIP code 06521 — New Haven

Name: New Haven (06521)
Address: Connecticut, 06521, US

ZIP code 06521 serves New Haven, Connecticut.

Postal code: 06521
Single source Value from one source, not cross-checked.
City: New Haven
County: South Central Regional
State: Connecticut
Country: United States
Coordinates: 41.3082, -72.9282 — precision precise (locality)
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Time zone: America/New_York (UTC−5 / UTC−4 DST)
Area codes: 203, 475
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Nearby localities

06517Hamden · 4.7 km
06516West Haven · 5.2 km
06514Hamden · 6.0 km
06408Cheshire · 6.4 km
06493Wallingford · 6.4 km
06494Wallingford · 6.4 km
06477Orange · 8.9 km
06495Wallingford · 9.8 km
06473North Haven · 10 km
06405Branford · 10 km

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. Data generated on 2026-08-21. Methodology · Report an error on this page