Zip code 20878
Zip code 20878, MD
The zip code 20878, type standard, belongs to the following denominations: Gaithersburg, Darnestown, N Potomac, No Potomac, North Potomac . It is part of the county Montgomery County, state of Maryland. It has an estimated population of 63350.
The postal code 20878 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Gaithersburg) or acceptable (Darnestown, N Potomac, No Potomac, North Potomac).
| Location | Denomination |
|---|---|
| Gaithersburg | Official |
| Darnestown | Acceptable |
| N Potomac | Acceptable |
| No Potomac | Acceptable |
| North Potomac | Acceptable |
