Glenwood Zip Codes - Howard County MD

Glenwood, MD Zip Code Map

Glenwood, MD is a city located in Howard County, Maryland and has a land area of 6.98 square miles (18.08 km2). The water area for the city is 0.04 square miles or 0.10 km2. There is one unique zip code in Glenwood, Maryland and it is 21738. The area code(s) for Glenwood is 443/410/667.

Zip Codes for Glenwood, MD (1)
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21738 Glenwood Howard

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