Norwalk, CT ZIP Codes
Norwalk, Connecticut has 10 ZIP codes: 5 for street addresses (, , , and ), 2 for PO boxes and 3 for single organizations.
Your street decides which one you use.
Which Norwalk ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Norwalk ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
06852, 06856, 06857, 06858 and 06860 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Norwalk city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Norwalk ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 06850 | street delivery Norwalk |
| 06851 | street delivery Belden |
| 06852 | PO boxes at the Belden post office Belden |
| 06853 | street delivery Norwalk |
| 06854 | street delivery Norwalk |
| 06855 | street delivery Norwalk |
| 06856 | PO boxes at the Norwalk post office Norwalk |
| 06857 | one organization Norwalk |
| 06858 | one organization Norwalk |
| 06860 | one organization Norwalk |
Norwalk ZIP code questions
What is the main ZIP code for Norwalk?
06850, the ZIP code of the main Norwalk post office at 16 Washington St.
Which Norwalk ZIP codes are for PO boxes only?
06852 and 06856. Mail to them goes to boxes at the post office, not to street addresses.
What county is Norwalk in?
Western Connecticut Planning Region.
ZIP codes for towns near Norwalk
More towns near Norwalk: Town of Rye, Trumbull, Stratford, Huntington Station, Town of Smithtown, White Plains, Commack, Milford, Mount Pleasant.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections