ZIP Code 25402 is located in Martinsburg West Virginia. 25402 is entirely within Berkeley County. Regionally, it is located in the Hagerstown Area.
| ZIP Code Name | Martinsburg |
| Primary County | Berkeley County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 39.47327423,-77.95611572 |
| Adjacent ZIP Codes | |
| Region | Hagerstown Area |
| Metropolitan/Micropolitan Stat Area | Hagerstown-Martinsburg, MD-WV |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |