Several websites provide free methods for researching ZIP codes in Pennsylvania. On UnitedStatesZipCodes.org and ZipMap.net, you can find ZIP codes and learn more about their location by entering address information or by searching on a map. ZIPCodesToGo.com provides a list of ZIP codes by city and county.
On the Pennsylvania page of UnitedStatesZipCodes.org, there are several methods for researching ZIP codes. First, you can enter an address, city or county, and click the Search button to look up the ZIP code for that location. You can also use the color-coded map to zoom in to different areas and research a ZIP code, and finally, you can use the full list of Pennsylvania zip codes below the map to research a particular ZIP code. The site lists the common cities, county and telephone area codes of that zip code. Clicking on a particular zip code provides additional information about that area.
Similarly, on the Pennsylvania page of ZipMap.net, you can type an address into the Search box before clicking on the Find Zipcode button to research a ZIP code for that location. You can also use the color-coded map to find a ZIP code for a particular area of Pennsylvania.
The Pennsylvania page of ZIPCodesToGo.com provides a complete list of ZIP codes for the state. The site lists the city, county and a link to the map of each ZIP code. By clicking on each ZIP code, you can obtain further information about that location.