Websites including GeoNames.org and UnitedStatesZipCodes.org, provide a directory of U.S. postal codes by state. The U.S. Postal Service website also has a ZIP code lookup tool where you can search for a ZIP code by inputting the street name, city and state into the required fields.Continue Reading
To access the postal code directory on GeoNames.org, go to its homepage and click Postal Codes under Browse the Names category. Scroll down and click Postal Codes United States. You may click the abbreviated state name on the interactive map or click the name of the state under the map to access that specific state's postal code list.
On UnitedStatesZipCodes.org, navigate towards the bottom of the page until you find the Zip Codes by State headline. Select a state to view the list of ZIP codes in the state. The ZIP codes are in descending order.
Although USPS.com does provide a lookup tool, it does not offer a complete listing of U.S. postal codes by state. It does allow you to search for the ZIP code of a specific street or municipality. From the USPS homepage, click Quick Tools on the top menu and click Look Up a ZIP Code. Enter the required information into the boxes with asterisks and click Find.Learn more about Public Records