United States Zip Codes
US Postal Code Lookup
Regions
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Interactive map of zip codes in the United States. Just click on the location you desire for a postal code/address for your mails destination.
How to find a USPS Zip Code
Not having the right zip code for your postal mail would mean your letters will not reach their destination. Click the location on the map to find your needed postal code or choose the state in the links above for a list of the zip codes available for each of the US states.
US Postal Code Information
About US Postal Codes
US uses a postal code system to help deliver mail efficiently. Our database covers 29547 cities and towns and 41490 postal codes across 53 states and territories, with 41,490 ZIP codes. Use our lookup tool to find the correct postal code for any address in US.
How to Use
1. Enter a city name or address in the search box
2. Select from the autocomplete suggestions
3. Click "Show Postal Code" to see results
4. View the location on the interactive map
Frequently Asked Questions about US Postal Codes
How do I find a postal code in US?
To find a postal code in US, enter a city name or address in our search box above. Select your location from the autocomplete suggestions, and the postal code will be displayed alongside an interactive map showing the exact delivery area.
What is the format of a US postal code?
US uses a 5-digit numeric ZIP code system. For example, a valid ZIP code in US would look like '90210'. The format consists of 5 digits (or 9 digits with ZIP+4), where the first digit represents a group of states.
Can I search for postal codes by city name in US?
Yes, you can search for postal codes by city name in US. Our database covers thousands of cities and towns across US, and our search box supports autocomplete for faster lookups.
Is this US postal code lookup free to use?
Yes, our US postal code lookup tool is completely free. You can search for unlimited postal codes across all cities in US without any registration or fees.
How accurate is the postal code data for US?
Our postal code data for US is sourced from reliable databases including GeoNames.org and OpenStreetMap. While we strive for accuracy, we recommend verifying critical postal codes with your local postal service for official purposes.
