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ZIP Codes: Gaithersburg, MD has 10 ZIPs assigned to it by the U.S. Postal Service. This includes 5 Standard, 4 PO Box, and 1 Unique types. Usually, PO Boxes are located. Of the ZIP codes within or partially within Gaithersburg there are 4 Standard ZIP Codes, 1 Unique ZIP Codes and 4 PO Box ZIP Codes. The total population of ZIP Codes in Gaithersburg is. Gaithersburg, MD is a city located in Montgomery County, Maryland and has a land area of 72.57 square miles (187.96 km2). The water area for the city is 0.63 square miles or 1.63 km2. There. Gaithersburg has 10 zip codes which you can see in the following table. Gaithersburg is the official name of the location so if you want to use the US Postal Service you must use that name. You.
This page shows a map with an overlay of Zip Codes for Gaithersburg, Montgomery County, Maryland. Users can easily view the boundaries of each Zip Code and the state as a whole. List of all Zip Codes for the state of Gaithersburg, Maryland. Includes all counties and cities in Gaithersburg, MD. Select a particular Gaithersburg ZIP Code to view a more detailed map and the number of Business, Residential, and PO Box addresses for that ZIP Code. The Residential addresses.