Everyday Utilities

ZIP Code Lookup

Search for places by postal code. Get state, location, and coordinates instantly.

Enter a postal code above to find places and coordinates.

What is the ZIP Code Lookup?

ZIP Code Lookup is a reference tool that maps a five-digit postal code to its corresponding location data. The US Postal Service assigns unique ZIP codes to geographic areas; this tool reverses that assignment, converting a code into city name, state abbreviation, county, and approximate latitude/longitude coordinates for mapping and analysis.

How it works

Enter a valid five-digit ZIP code into the search field and click Lookup. The tool queries a comprehensive ZIP code database and returns the primary city, state, county, and geographic center coordinates. Results appear instantly; no internet connection required once the database loads. Some ZIP codes cover multiple cities or rural areas—the tool returns the most commonly recognized city for that code.

Examples

InputResultNotes
10001New York, NY 10001 | New York County | Coordinates: 40.7506°N, 73.9972°WThe 10001 ZIP covers central Manhattan including Penn Station and the Empire State Building area.
90210Beverly Hills, CA 90210 | Los Angeles County | Coordinates: 34.0901°N, 118.4065°WThe famous Beverly Hills ZIP code used in TV shows; located in the heart of Los Angeles.
60601Chicago, IL 60601 | Cook County | Coordinates: 41.8854°N, 87.6178°WDowntown Chicago's Loop district, home to the Willis Tower and financial hub.

How to use the ZIP Code Lookup

  1. Enter a five-digit ZIP code in the input field (format: 12345).
  2. Click the Lookup or Search button.
  3. Review the results: city name, state, county, and GPS coordinates.
  4. Optional: Copy the coordinates to use in a map application like Google Maps.
  5. Optional: Check nearby ZIPs if you need to explore adjacent postal codes.

Benefits

  • Verify mailing addresses instantly without contacting the postal service.
  • Find geographic coordinates for mapping and location-based applications.
  • Confirm which city and county a ZIP code serves, avoiding mail delivery errors.
  • Identify postal code boundaries for logistics, market research, and regional analysis.
  • Plan local services by understanding coverage areas tied to specific ZIP codes.
  • Access detailed location data for travel planning and geographic curiosity.

Tips & common mistakes

Common mistakes

  • Entering incomplete ZIP codes (e.g., 1001 instead of 10001); the tool requires all five digits.
  • Assuming one ZIP code = one city; some ZIPs cover multiple small towns or rural areas.
  • Confusing ZIP+4 codes (10001-1234) with basic five-digit ZIPs; use only the first five digits.
  • Entering ZIP codes from outside the US; this tool covers US postal codes only.

Tips

  • Bookmark common ZIPs you use for fast re-lookup without retyping.
  • Use the coordinates (latitude/longitude) to pinpoint exact location centers on Google Maps.
  • Compare multiple ZIP codes side-by-side to understand regional postal patterns and clusters.
  • Check ZIP code ranges if you need to find all codes within a city (e.g., all NYC ZIP codes).

Frequently asked questions

What is a ZIP code and why does it exist?

ZIP (Zone Improvement Plan) is the US postal delivery system that divides the country into regions. The Post Office uses ZIP codes to sort and route mail efficiently. Each five-digit code represents a geographic area ranging from a few city blocks to large rural regions.

Can I look up ZIP codes for addresses outside the USA?

No, this tool covers only US postal codes. Other countries use different postal systems (UK postcodes, Canadian postal codes, etc.). Use your country's postal service website for non-US lookups.

What if my ZIP code returns multiple cities?

Some ZIP codes serve more than one town, especially in rural areas. The tool displays the primary or largest city for that code. Contact the US Postal Service directly if you need to confirm which city handles a specific address.

Why does the latitude/longitude sometimes seem slightly off?

ZIP code coordinates represent the geographic center of the postal area, not an exact street address. For precise property locations, use a full address on Google Maps or a dedicated geocoding service.

Is this data kept up to date?

ZIP code boundaries rarely change, but new codes are occasionally created. The tool uses current USPS data; if you find an error, the postal service may have issued an update not yet reflected in the database.

Can I download a list of all US ZIP codes?

This lookup tool searches one ZIP at a time. For bulk ZIP code data, visit the USPS.com website or download a CSV dataset from public sources like data.census.gov or opendata repositories.

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FreeTooz Editorial Team · Last reviewed July 2026

Reviewed for accuracy. Results are estimates for general information and are not professional (medical, financial or legal) advice.