ZIP Code 20131 is located in Philomont Virginia. 20131 is entirely within Loudoun County. Regionally, 20131 is located in Metro DC.
| ZIP Code Name | Philomont |
| Primary County | Loudoun County |
| ZIP Code Type | PO Box |
| Current Time | EST |
| Coordinates | 39.05668640,-77.73930359 |
| Adjacent ZIP Codes | |
| Region | Metro DC |
| Metropolitan/Micropolitan Stat Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |
| School Districts in 20131 | |
| Elementary Schools in 20131 | |
| Middle Schools in 20131 | |
| High Schools in 20131 |