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  1. ZIP Code™ Lookup | USPS

    Enter a corporate or residential street address, city, and state to see a specific ZIP Code ™. Find by Address By City and State

  2. Free ZIP code map, zip code lookup, and zip code list

    United States Zip Codes provides a free zip code map and list of zip codes by state. Find zip codes by address, zip codes by city, or zip codes by state.

  3. CHICAGO, Illinois ZIP Codes

    ZIP Codes for CHICAGO, Illinois. Use our address lookup or code list to find the correct 5-digit or 9-digit (ZIP+4) code for your postal mails destination.

  4. Zip Code FinderFind Any Location’s Postal Code Instantly

    What's my zip code? Find postal codes instantly by clicking the map or using your current location. Free tool for US zip codes and worldwide postal codes.

  5. What Is My ZIP Code? (Automatic GPS Detection) - Find My ZIP Code

    Find your ZIP code instantly using geolocation or search our comprehensive database of US ZIP codes by state and city. Free ZIP code lookup tool.

  6. Zip Code Lookup - Zip Code Finder

    Zip Code Lookup is a tool to find the zip code based on an exact address, or the state and city. The zip code finder can also find your current zip code if you have your location or geolocation tool enable on …

  7. USA ZIP Code Finder – Free Postal Code Search by City, State ...

    Find any ZIP code instantly with our free lookup tool. Search 43,000+ postal codes by city, state, or interactive map. Get nearby ZIP codes, county data, area codes, and population info for all 50 states.

  8. What Is My Zip Code? Instantly Find Your ZIP Code by Location

    Sep 28, 2025 · What Is My ZIP Code? Find your 5-digit or 9-digit ZIP code using GPS or Google Maps. Search postal code by location, address, or city anywhere in the world

  9. Free ZIP Code Lookup | Find ZIP Codes by Address & City | US Postal ...

    Free ZIP code lookup tool. Find ZIP codes by address, city, or state. Search 42,000+ US ZIP codes instantly. No signup required.