| Start Date | 06/30/2018 |
| Current Time in Area Code 820 | 820> PDT |
| Timezone | Pacific Daylight Time |
| Regional Market Area | Metro Los Angeles |
| Metro Area(s) | Oxnard-Thousand Oaks-Ventura, CA San Luis Obispo-Paso Robles, CA Santa Maria-Santa Barbara, CA |
| Population (2020) | 1574496 |
| Adjacent Area Codes | 310,424,559,661,747,805,818,831 |
| Overlay Area Codes | 805 |
| San Luis Obispo County |
| Santa Barbara County |
| Ventura County |