Allentown Zip Codes

For a city as large as Allentown, zip codes are very essential to locate a particular area. These zip codes help to demarcate the city into various areas. These codes help, people visiting the city, to easily identify the various places.

Allentown Zip Code Directory

18101
18102
18103
18104
18105 (PO BOX)
18106
18109
18195