The 951 area code is a telephone area code serving western Riverside County in California. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 951 area code) below and access available caller information such as name, address, and more.
Federal Data
State Data
County Data
City Data
Area code 951 covers the southern portion of what was previously area code 909, encompassing western Riverside County and a small portion of San Bernardino County.
Area code 951 was created in 2004 from a split of area code 909. Area code 909 also serves areas near area code 951. Prior to October 2021, area code 951 transitioned to ten-digit dialing.
Area code 951 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 951 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 | 74 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 64 |
| FRONTIER CALIFORNIA INC. | 64 |
| SPRINT SPECTRUM, L.P. | 46 |
| NEW CINGULAR WIRELESS PCS, LLC | 36 |
| T-MOBILE USA, INC. | 24 |
| LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 14 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 13 |
| METROPCS NETWORKS, LLC | 10 |
| BANDWIDTH.COM CLEC, LLC - CA | 9 |
| O1 COMMUNICATIONS, INC. - CA | 9 |
| ONVOY, LLC - CA | 7 |
| TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB | 5 |
| U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 5 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - CA | 4 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 4 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 4 |
| CENTURYLINK COMMUNICATIONS, LLC | 3 |
| CHARTER FIBERLINK CA-CCO, LLC - CA | 3 |
| MATRIX TELECOM, LLC. S/I/I TNCI - CA | 3 |
| XO CALIFORNIA, INC. | 3 |
| AT&T - LOCAL | 2 |
| AT&T CORP. | 2 |
| PACIFIC BELL (COMPETITIVE) | 2 |
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 2 |
| YMAX COMMUNICATIONS CORP. - CA | 2 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 1 |
| WIDE VOICE, LLC - CA | 1 |
| Rate Center | Number of Prefixes |
|---|---|
| RIVERSIDE | 110 |
| CORONA | 66 |
| TEMECULA | 41 |
| PERRIS | 30 |
| MORENO | 29 |
| MURRIETA | 28 |
| ARLINGTON | 27 |
| HEMT HEMT | 19 |
| ELSINORE | 11 |
| SUN CITY | 10 |
| MIRA LOMA | 9 |
| WOODCREST | 9 |
| BANNING | 7 |
| HEMT SNJC | 7 |
| HEMT HMLD | 4 |
| HEMT ANZA | 3 |
| TEMSCL CNY | 3 |
| COLTON | 1 |
| IDYLLWILD | 1 |
| LAKEVIEWNU | 1 |
Lookup phone numbers starting with other California area codes:
California Reverse Lookup ➜