Joppatowne zip code
Zip code in Joppatowne, MD
The location Joppatowne belongs to Harford County, state of Maryland. Joppatowne has been assigned with the zip code 21085.
The location name Joppatowne 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.