Postal reference / United States

06850Norwalk, Connecticut

ZIP code 06850 is a United States postal code for Norwalk, Connecticut. Its county association is Western Connecticut County. The map reference point is at 41.1222, -73.4358.

State / territory
Connecticut
Recorded place name
Norwalk
County association
Western Connecticut
Estimated coordinate
41.1222, -73.4358
View on OpenStreetMap
ZIP prefix
068 · 44 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
6.781 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore Connecticut

Browse the other 428 ZIP codes recorded for Connecticut, sorted by code with place and county.

Connecticut directory

Other ZIP codes in Norwalk, CT

Norwalk has 10 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
06856NorwalkCTWestern Connecticut1.1
06858NorwalkCTWestern Connecticut1.3
06851NorwalkCTWestern Connecticut1.7
06854NorwalkCTWestern Connecticut1.9
06855NorwalkCTWestern Connecticut2.3
06853NorwalkCTWestern Connecticut3.6
06840New CanaanCTWestern Connecticut3.6
06820DarienCTWestern Connecticut4.1

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup