ZIP Code 94820 is located in El Sobrante California. 94820 is entirely within Contra Costa County. Regionally, 94820 is located in the Metro Bay Area.
| ZIP Code Name | El Sobrante |
| Primary County | Contra Costa County |
| ZIP Code Type | PO Box |
| Current Time | PST |
| Coordinates | 37.97941971,-122.29627991 |
| Adjacent ZIP Codes | |
| Region | Metro Bay Area |
| Metropolitan/Micropolitan Stat Area | San Francisco-Oakland-Berkeley, CA |
| Time Zone | Pacific Standard Time |
| IANA Timezone | America/Los_Angeles |
| School Districts in 94820 | |
| Elementary Schools in 94820 | |
| Middle Schools in 94820 | |
| High Schools in 94820 |