The 310 area code is a telephone area code serving the West Los Angeles and South Bay areas of Los Angeles County, a small portion of Ventura County, and Santa Catalina Island in California. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 310 area code) below and access available caller information such as name, address, and more.
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Area code 310 covers the West Los Angeles and South Bay areas of Los Angeles County, a small portion of Ventura County, and Santa Catalina Island.
Area code 424 was added as an overlay to the 310 area code on July 26, 2006. Both 310 and 424 serve the same geographic region. Since December 31, 2005, ten-digit dialing (1 + area code + seven-digit number) is required when placing calls between these area codes and to other area codes.
Area code 310 is a General Purpose Code which was placed in service on January 1, 1947.
Our reverse phone lookup will analyze the three-digit prefix of any 310 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, California geographic region, and local calling area associated with the phone number.
| Company | Number of Prefixes |
|---|---|
| PACIFIC BELL | 240 |
| FRONTIER CALIFORNIA INC. | 137 |
| NEW CINGULAR WIRELESS PCS, LLC | 67 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 56 |
| SPRINT SPECTRUM, L.P. | 51 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 27 |
| U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 22 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 16 |
| T-MOBILE USA, INC. | 16 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 14 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 12 |
| LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 9 |
| ONVOY, LLC - CA | 8 |
| AT&T - LOCAL | 6 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - CA | 6 |
| PACIFIC BELL (COMPETITIVE) | 6 |
| XO CALIFORNIA, INC. | 6 |
| USA MOBILITY WIRELESS, INC. | 4 |
| 33 WIRELESS INC. | 3 |
| AMERICAN MESSAGING SERVICES, LLC | 3 |
| BANDWIDTH.COM CLEC, LLC - CA | 3 |
| O1 COMMUNICATIONS, INC. - CA | 3 |
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 2 |
| INTEGRATED PATH COMMUNICATIONS, LLC - CA | 1 |
| NORTH COUNTY COMMUNICATION CORPORATION - CA | 1 |
| PAETEC COMMUNICATIONS, INC. - CA | 1 |
| Rate Center | Number of Prefixes |
|---|---|
| BEVERLYHLS | 107 |
| CMTN GRDN | 105 |
| SNMN SNMN | 73 |
| W ANGELES | 68 |
| SNMN MRVS | 52 |
| INGLEWOOD | 48 |
| REDONDO | 43 |
| EL SEGUNDO | 37 |
| CULVERCITY | 35 |
| CMTN CMTN | 33 |
| SAN PEDRO | 33 |
| TORRANCE | 31 |
| HAWTHORNE | 26 |
| LOMITA | 13 |
| MALIBU | 11 |
| AVALON | 3 |
| LAKEWOOD | 2 |
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