Gwynn Oak zip code

Zip code in Gwynn Oak, MD

The location Gwynn Oak belongs to Baltimore County, state of Maryland. Gwynn Oak has been assigned with the zip code 21207.

Gwynn Oak 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, Pikesville, Woodlawn.

Zip code Type Population
21207 STANDARD 40,230