ZIP Code 20859
| Post Office City | Potomac, MD |
|---|---|
| County | Montgomery County |
| Area Code | 240 |
| Longitude | -77.25 |
| Latitude | 39.03 |
| Radius | ~7 mile radius |
| Timezone | Eastern |
| Zip Type | PO Box |
| Post Office City | Potomac, MD |
|---|---|
| County | Montgomery County |
| Area Code | 240 |
| Longitude | -77.25 |
| Latitude | 39.03 |
| Radius | ~7 mile radius |
| Timezone | Eastern |
| Zip Type | PO Box |