| Post Office Name | US Post Office |
| Address | 6830 Olney Laytonsville Rd |
| City | Gaithersburg |
| State | Maryland |
| Phone Number | (301) 208-3736 |
| Latitude | 39.2308 |
| Longitude | -77.1430 |
20882 US Post Office in Gaithersburg, Maryland is located at 6830 Olney Laytonsville Rd. The Gaithersburg Post Office Number is (301) 208-3736
