ZIP Code 20610
| Post Office City | Barstow, MD |
|---|---|
| County | Calvert County |
| Area Code | 410 |
| Longitude | -76.6 |
| Latitude | 38.5 |
| Radius | ~7 mile radius |
| Timezone | Eastern |
| Zip Type | PO Box |
| Post Office City | Barstow, MD |
|---|---|
| County | Calvert County |
| Area Code | 410 |
| Longitude | -76.6 |
| Latitude | 38.5 |
| Radius | ~7 mile radius |
| Timezone | Eastern |
| Zip Type | PO Box |