ZIP Code 21792
| Post Office City | Unionville, MD |
|---|---|
| County | Frederick County |
| Area Code | 240 |
| Longitude | -77.2 |
| Latitude | 39.4 |
| Radius | ~9 mile radius |
| Timezone | Eastern |
| Zip Type | PO Box |
| Post Office City | Unionville, MD |
|---|---|
| County | Frederick County |
| Area Code | 240 |
| Longitude | -77.2 |
| Latitude | 39.4 |
| Radius | ~9 mile radius |
| Timezone | Eastern |
| Zip Type | PO Box |