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ListPostCode
HomeCountriesContinents
ToolsBlog

Stay Updated

Get the latest postal code updates, new tools, and guides delivered to your inbox.

New postal code updatesFree tools and featuresGuides and insights

No spam, unsubscribe anytime.

listpostcode

The comprehensive postal code directory. Find codes for any location and country quickly and accurately.

Tools

  • ATM Finder
  • Download Printable Postal Codes
  • Postcode Widget Generator
  • Post Office Finder
  • Currency Converter

Resources

  • All Postal Codes
  • Find Post Office
  • Maps
  • Countries
  • Blog

Info

  • About
  • Advertise with us
  • Contact
  • Privacy
  • Terms

© Copyright 2026 listpostcode. All rights reserved.

  1. Home
  2. Continents
  3. North America
  4. United States
  5. New York
  6. Nassau
  7. Uniondale
11556

Municipality · New York · Nassau · Uniondale · United States

Uniondale ZIP code

11556Municipality

Looking for the ZIP code for Uniondale? This municipality is located in New York · Nassau · Uniondale · United States. Use our directory to find the correct ZIP code for Uniondale and nearby locations.

Complete Location Hierarchy

Municipalities connect counties with places in United States. This level improves ZIP code lookup accuracy for shipping, address validation, and local delivery planning.

New York
—
State
Nassau
—
County
11556
Municipality · Current
#LevelNameZIP code
01
State
New York
—
02
County
Nassau
—
03
Municipality (Current)

Uniondale

11556

Interactive map of Uniondale · United States — ZIP codes & coordinates

Loading map…

Open in OpenStreetMap

ZIP code for this area

Uniondale uses the following ZIP code.

11556
  1. Home
  2. Continents
  3. North America
  4. United States
  5. New York
  6. Nassau
  7. Uniondale
11556

Municipality · New York · Nassau · Uniondale · United States

Uniondale ZIP code

11556Municipality

Looking for the ZIP code for Uniondale? This municipality is located in New York · Nassau · Uniondale · United States. Use our directory to find the correct ZIP code for Uniondale and nearby locations.

Complete Location Hierarchy

Municipalities connect counties with places in United States. This level improves ZIP code lookup accuracy for shipping, address validation, and local delivery planning.

New York
—
State
Nassau
—
County
11556
Municipality · Current
#LevelNameZIP code
01
State
New York
—
02
County
Nassau
—
03
Municipality (Current)

Uniondale

11556

Interactive map of Uniondale · United States — ZIP codes & coordinates

Loading map…

Open in OpenStreetMap

ZIP code for this area

Uniondale uses the following ZIP code.

11556