ZIP Code 20142 is located in Round Hill Virginia. 20142 is entirely within Loudoun County. Regionally, it is located in Metro DC.
| ZIP Code Name | Round Hill |
| Primary County | Loudoun County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 39.13261032,-77.76888275 |
| Adjacent ZIP Codes | |
| Region | Metro DC |
| Metropolitan/Micropolitan Stat Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| US Congressional Districts in 20142 | |
| Virginia State Senate Districts in 20142 | |
| Virginia House of Delegates Districts in 20142 |
| School Districts in 20142 | |
| Elementary Schools in 20142 | |
| Middle Schools in 20142 |