Area code 820 generally covers Oxnard, Santa Maria, and Thousand Oaks in the U.S. State of California.
City | Prefixes |
---|---|
Oxnard, CA | 19.4% |
Santa Maria, CA | 6.5% |
Thousand Oaks, CA | 6.5% |
Ventura, CA | 6.5% |
Guadalupe, CA | 6.5% |
San Luis Obispo, CA | 6.5% |
Buellton, CA | 6.5% |
Camarillo, CA | 6.5% |
Cayucos, CA | 3.2% |
Oak View, CA | 3.2% |
Carrier | Prefixes |
---|---|
Fractel | 77.4% |
Onvoy | 6.5% |
Terra Nova Telecom Inc. | 3.2% |
Hd Carrier | 3.2% |
Advanced Telecom Solutions | 3.2% |
Csc Wireless | 3.2% |
Shelcomm | 3.2% |
Prefix | Primary City | Usage | |
---|---|---|---|
820-200 | Thousand Oaks | Landline | Advanced Telecom Solutions |
820-201 | Oxnard | Wireless | Shelcomm |
820-202 | San Luis Obispo | Wireless | Csc Wireless |
820-222 | Camarillo | Landline | Fractel |
820-234 | Oxnard | Landline | Fractel |
820-280 | Buellton | Landline | Hd Carrier |
820-288 | Ventura | Landline | Fractel |
820-299 | Camarillo | Landline | Fractel |
820-300 | Guadalupe | Landline | Onvoy |
820-333 | Thousand Oaks | Landline | Fractel |
820-336 | Guadalupe | Landline | Fractel |
820-345 | Oxnard | Landline | Fractel |
820-346 | Arroyo Grande | Landline | Fractel |
820-348 | Oxnard | Landline | Fractel |
820-400 | San Miguel | Landline | Onvoy |
820-444 | Newbury Park | Landline | Fractel |
820-465 | Oxnard | Landline | Fractel |
820-500 | Buellton | Landline | Fractel |
820-529 | Castaic | Landline | Fractel |
820-600 | Pismo Beach | Landline | Fractel |
820-666 | San Luis Obispo | Landline | Fractel |
820-732 | Ventura | Landline | Fractel |
820-758 | Santa Barbara | Landline | Fractel |
820-777 | Santa Paula | Landline | Fractel |
820-800 | Cayucos | Landline | Fractel |
820-842 | Oak View | Landline | Fractel |
820-888 | Simi Valley | Landline | Terra Nova Telecom Inc. |
820-899 | Santa Maria | Landline | Fractel |
820-900 | Bradley | Landline | Fractel |
820-946 | Santa Maria | Landline | Fractel |
820-999 | Oxnard | Landline | Fractel |