Look up any phone number starting with 909 to identify the owner name, address, spam reports, and more. The 909 area code covers the far-eastern part of Los Angeles County, southwestern San Bernardino County, and a small portion of Riverside County in California.
Enter a full 10-digit number to identify the caller and whether it has been reported as spam.
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Phone numbers with the 909 area code prefix originate from the far-eastern part of Los Angeles County, southwestern San Bernardino County, and a small portion of Riverside County in California.
Area codes 909 and 840 operate as an overlay complex, serving the same geographic region. Area code 909 was created on November 14, 1992. Area code 840 was added to this numbering plan area, forming an overlay complex effective February 23, 2021. This overlay system typically requires ten-digit dialing for all calls within the region, with a permissive dialing period having been implemented from July 2020 to January 2021.
Area code 909 is a general purpose code which was placed in service on November 14, 1992.
Our California phone number lookup for the 909 area code analyzes the three-digit prefix to identify the initially assigned telecommunications company and rate center. This prefix code data may help to determine the U.S. carrier, California geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
| Company | Number of Prefixes |
|---|---|
| FRONTIER CALIFORNIA INC. | 155 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 53 |
| NEW CINGULAR WIRELESS PCS, LLC | 48 |
| PACIFIC BELL | 41 |
| SPRINT SPECTRUM, L.P. | 41 |
| T-MOBILE USA, INC. | 30 |
| U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 26 |
| BANDWIDTH.COM CLEC, LLC - CA | 22 |
| LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 20 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 18 |
| METROPCS NETWORKS, LLC | 17 |
| ONVOY, LLC - CA | 16 |
| PACIFIC BELL (COMPETITIVE) | 11 |
| TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB | 10 |
| MATRIX TELECOM, LLC. S/I/I TNCI - CA | 8 |
| O1 COMMUNICATIONS, INC. - CA | 8 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7 |
| XO CALIFORNIA, INC. | 6 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 5 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 5 |
| AT&T - LOCAL | 4 |
| CHARTER FIBERLINK CA-CCO, LLC - CA | 4 |
| AT&T CORP. | 2 |
| CENTURYLINK COMMUNICATIONS, LLC | 2 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - CA | 2 |
| PAETEC COMMUNICATIONS, INC. - CA | 2 |
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 2 |
| AMERICAN MESSAGING SERVICES, LLC | 1 |
| GETGO COMMUNICATIONS LLC - CA | 1 |
| NORTH COUNTY COMMUNICATION CORPORATION - CA | 1 |
| RCLEC, INC. | 1 |
| WIDE VOICE, LLC - CA | 1 |
| YMAX COMMUNICATIONS CORP. - CA | 1 |
Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
| Rate Center | Number of Prefixes |
|---|---|
| ONTARIO | 100 |
| S BERNDINO | 65 |
| UPLAND | 57 |
| FONTANA | 50 |
| CHINO | 38 |
| CLAREMONT | 37 |
| POMONA | 37 |
| COLTON | 30 |
| REDLANDS | 29 |
| RIALTO | 26 |
| DIAMONDBAR | 21 |
| HIGHLAND | 18 |
| MARSHALL | 15 |
| ARROWHEAD | 12 |
| MENTONE | 8 |
| CALIMESA | 6 |
| ETIWANDA | 6 |
| BIGBEAR CY | 5 |
| CRESTLINE | 5 |
| BIGBEAR LK | 4 |
| RUNNINGSPG | 1 |
| TEMECULA | 1 |
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