City · New York · United States

Uniondale, NY — ZIP codes

3 ZIP codes · Nassau County

City: Uniondale
County: Nassau
State: New York
Country: United States
Postal codes: 115531155511556
Single source
Coordinates: 40.7020, -73.5920 View on OpenStreetMap

ZIP codes (3)

Postal code	Place name	Verification
11553	Uniondale	Single source
11555	Uniondale	Single source
11556	Uniondale	Single source

Sources and verification

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. Last generated : 2026-08-21. Report an error.