Maryland Gazetteer
Gaithersburg is the actual or alternate city name associated with 10 ZIP Codes by the US Postal Service.
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 are segmented by both Single and Multi-family addessses.
Each individual Gaithersburg ZIP Code profile also includes Demographic Data including Population, Housing, Income, Households, and Growth Rates.
| Gaithersburg, MD - Standard ZIP Codes |
| 20877 20878 20879 20882 20886 |
| Gaithersburg, MD - PO Box ZIP Codes (NO DEMOGRAPHIC DATA) |
| 20883 20884 20885 20898 |
| Gaithersburg, MD - Unique - Single Entity ZIP Codes (NO DEMOGRAPHIC DATA) |
| 20899 |
