The 323 area code is a telephone area code serving the area of downtown Los Angeles City, as well as several southeast Los Angeles County cities in California. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 323 area code) below and access available caller information such as name, address, and more.
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Area code 323 covers most of the remainder of central Los Angeles, including Hollywood, as well as several neighboring cities, including Bell, Huntington Park and Montebello.
Area code 323 is part of an overlay complex with area codes 213 and 738. Area code 213 was one of the original North American area codes of 1947. Area code 323 was created in an area code split of 213 in 1998. Area code 738 was activated in November 2024 as an additional overlay area code. Since July 8, 2017, telephone companies have been able to assign any available 213 numbers in the former 323 area and vice versa, and customers have been required to dial the area code for all calls.
Area code 323 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 323 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 | 246 |
| SPRINT SPECTRUM, L.P. | 48 |
| T-MOBILE USA, INC. | 40 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 36 |
| NEW CINGULAR WIRELESS PCS, LLC | 36 |
| U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 31 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 18 |
| BANDWIDTH.COM CLEC, LLC - CA | 17 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 17 |
| METROPCS NETWORKS, LLC | 17 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 15 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 13 |
| ONVOY, LLC - CA | 12 |
| PAETEC COMMUNICATIONS, INC. - CA | 11 |
| LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 8 |
| XO CALIFORNIA, INC. | 6 |
| O1 COMMUNICATIONS, INC. - CA | 5 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - CA | 4 |
| AT&T - LOCAL | 3 |
| TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB | 3 |
| AT&T CORP. | 2 |
| FRONTIER CALIFORNIA INC. | 2 |
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 2 |
| UTILITY TELECOM GROUP, LLC - CA | 2 |
| CENTURYLINK COMMUNICATIONS, LLC | 1 |
| NORTH COUNTY COMMUNICATION CORPORATION - CA | 1 |
| Rate Center | Number of Prefixes |
|---|---|
| LSAN DA 14 | 130 |
| MONTEBELLO | 72 |
| LSAN DA 06 | 62 |
| LSAN DA 09 | 58 |
| LSAN DA 13 | 57 |
| LSAN DA 02 | 44 |
| LSAN DA 03 | 40 |
| LSAN DA 05 | 36 |
| LSAN DA 04 | 29 |
| LSAN DA 12 | 26 |
| LSAN DA 11 | 23 |
| LSAN DA 08 | 19 |
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