820 Area Code
San Luis Obispo, California
Area Code Information
| Area Code: | 820 |
| Major City: | San Luis Obispo |
| State/Region: | California (CA) |
| Time Zone: | Pacific |
| Current Local Time: | 9:36 AM |
| In Service Since: | 30-Jun-18 |
| Overlay: | Yes (820/805/820) |
Other Area Codes in California
209 - Stockton 213 - Los Angeles 279 - Sacramento 310 - Los Angeles 323 - Los Angeles 408 - San Jose 415 - San Francisco 424 - Santa Monica 442 - Escondido 510 - Oakland 530 - Redding 559 - Fresno 562 - Long Beach 619 - San Diego 626 - Pomona 628 - San Francisco 650 - Daly City 657 - Los Angeles 661 - Santa Clarita 669 - San Jose 707 - Santa Rosa 714 - Anaheim 747 - Los Angeles 760 - Escondido 805 - Santa Barbara 818 - Burbank 831 - Salinas 858 - San Diego 909 - Anaheim 916 - Sacramento 925 - Concord 949 - Irvine 951 - Riverside
Prefixes & Exchanges
Showing 28 prefixes for area code 820
| Prefix | Location | Company | Assigned |
|---|---|---|---|
| 820-200 | Thousaoaks | ADVANCED TELECOM SOLUTIONS, LLC | 6/25/18 |
| 820-201 | Oxnard | SHELCOMM | 7/31/18 |
| 820-211 | -- | [UNASSIGNED] | -- |
| 820-222 | Camarillo | FRACTEL, LLC | 1/23/19 |
| 820-300 | Guadalupe | ONVOY, LLC - CA | 1/15/19 |
| 820-311 | -- | [UNASSIGNED] | -- |
| 820-333 | Thousaoaks | FRACTEL, LLC | 1/23/19 |
| 820-400 | Parkfield | ONVOY, LLC - CA | 1/15/19 |
| 820-411 | -- | [UNASSIGNED] | -- |
| 820-444 | Newburyprk | FRACTEL, LLC | 1/25/19 |
| 820-511 | -- | [UNASSIGNED] | -- |
| 820-611 | -- | [UNASSIGNED] | -- |
| 820-661 | -- | [UNASSIGNED] | -- |
| 820-666 | Snlusobspo | FRACTEL, LLC | 1/24/19 |
| 820-700 | -- | [UNASSIGNED] | -- |
| 820-711 | -- | [UNASSIGNED] | -- |
| 820-777 | Santapaula | FRACTEL, LLC | 1/22/19 |
| 820-805 | -- | [UNASSIGNED] | -- |
| 820-811 | -- | [UNASSIGNED] | -- |
| 820-820 | -- | [UNASSIGNED] | -- |
| 820-831 | -- | [UNASSIGNED] | -- |
| 820-888 | Simivalley | TERRA NOVA TELECOM INC. | 12/24/18 |
| 820-911 | -- | [UNASSIGNED] | -- |
| 820-950 | -- | [UNASSIGNED] | -- |
| 820-958 | -- | [UNASSIGNED] | -- |
| 820-959 | -- | [UNASSIGNED] | -- |
| 820-976 | -- | [UNASSIGNED] | -- |
| 820-999 | Oxnard | FRACTEL, LLC | 1/22/19 |
California Area Codes