ZIP Code 20610 is located in Barstow Maryland. 20610 is entirely within Calvert County. Regionally, 20610 is located in Metro DC.
| ZIP Code Name | Barstow |
| Primary County | Calvert County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 38.51473236,-76.62039185 |
| Adjacent ZIP Codes | |
| Region | Metro DC |
| Metropolitan/Micropolitan Stat Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| School Districts in 20610 | |
| Elementary Schools in 20610 | |
| Middle Schools in 20610 | |
| High Schools in 20610 |