Zip Code Listings for Allentown, Pennsylvania The following are the areas codes and zip codes for Allentown, Pennsylvania 18101 (area code: 610)
18102 (area code: 610)
18103 (area code: 610)
18104 (area code: 610)
18105 (area code: 610)
18106 (area code: 610)
18109 (area code: 610)
18175 (area code: 610)
18195 (area code: 610)