Joppatown zip code
Zip code in Joppatown, MD
The location Joppatown belongs to Harford County, state of Maryland. Joppatown has been assigned with the zip code 21085.
The location name Joppatown is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Joppa, the official name of the location.