Pick random valid United States Zip Codes with this online random zip code generator app. Select from all valid zip codes in the country and display one or multiple codes at the same time. Optionally choose to only display only unique codes (no duplicates) when picking multiple codes. There are also some formatting options for the output of your random zip codes; you can sort and/or number the results to help keep track as you use the data.
This app is useful for anyone filling in forms and needing a zip code to enter if they can't remember their own, or for testing of addresses for any application requiring United States addresses.