Columbia Zip Codes - Howard County MD

Columbia, MD Zip Code Map

Columbia, MD is a city located in Howard County, Maryland and has a land area of 29.40 square miles (76.15 km2). The water area for the city is 0.25 square miles or 0.65 km2. There are 3 total unique zip codes in Columbia, Maryland. The area code(s) for Columbia is 443/410/240/667/301.

Zip Codes for Columbia, MD (3)
Zip Code
 City County
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21044 Columbia Howard
21045 Columbia Howard
21046 Columbia Howard

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