Dundalk zip code

Zip code in Dundalk, MD

The location Dundalk belongs to Baltimore County, state of Maryland. Dundalk has been assigned with the zip code 21222.

Dundalk is the official name of the location so if you want to use the US Postal Service you must use that name. You can also use any of the following names: Baltimore.

Zip code Type Population
21222 STANDARD 49,680