ZIP Code 21528 is located in Eckhart Mines Maryland. 21528 is entirely within Allegany County. Regionally, it is located in the Hagerstown Area.
| ZIP Code Name | Eckhart Mines |
| Primary County | Allegany County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 39.65174866,-78.90077209 |
| Adjacent ZIP Codes | |
| Region | Hagerstown Area |
| Metropolitan/Micropolitan Stat Area | Cumberland, MD-WV |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |