Gwynn Oak Zip Codes - Baltimore County MD

Gwynn Oak, MD Zip Code Map

Gwynn Oak, MD is a city located in Baltimore County, Maryland and has a land area of 10.35 square miles (26.81 km2). The water area for the city is 0.04 square miles or 0.10 km2. There is one unique zip code in Gwynn Oak, Maryland and it is 21207. The area code(s) for Gwynn Oak is 410/443/667.

Zip Codes for Gwynn Oak, MD (1)
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21207 Gwynn Oak Baltimore

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