ZIP Code 21792 is located in Unionville Maryland. 21792 is entirely within Worcester County. Regionally, 21792 is located in the DELMARVA Region.
| ZIP Code Name | Unionville |
| Primary County | Worcester County |
| ZIP Code Type | PO Box |
| Current Time | EST |
| Coordinates | 38.07466888,-75.56748199 |
| Adjacent ZIP Codes | |
| Region | DELMARVA Region |
| Metropolitan/Micropolitan Stat Area | Salisbury, MD-DE |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |
| School Districts in 21792 | |
| Elementary Schools in 21792 | |
| Middle Schools in 21792 | |
| High Schools in 21792 |