ZIP Code 22456 is located in Edwardsville Virginia. 22456 is entirely within Northumberland County. Regionally, it is located in the Tidewater Region.
| ZIP Code Name | Edwardsville |
| Primary County | Northumberland County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 37.90561676,-76.36412048 |
| Adjacent ZIP Codes | |
| Region | Tidewater Region |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |