ZIP Code 20604 is located in Waldorf Maryland. 20604 is entirely within Charles County. Regionally, it is located in Metro DC.
| ZIP Code Name | Waldorf |
| Primary County | Charles County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 38.61678314,-76.90148926 |
| 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 20604 | |
| Maryland State Senate Districts in 20604 | |
| Maryland State House of Delegates Districts in 20604 |
| School Districts in 20604 | |
| Elementary Schools in 20604 | |
| Middle Schools in 20604 | |
| High Schools in 20604 |