Area Code 909 Reverse Phone Lookup

The 909 area code is a telephone area code serving the far-eastern part of Los Angeles County, southwestern San Bernardino County, and a small portion of Riverside County in California. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 909 area code) below and access available caller information such as name, address, and more.

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CaliforniaCalifornia Reverse Lookup ➜

Area Code 909 Location: California

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.

Counties Served by Area Code 909:

  • Los Angeles County
  • Riverside County
  • San Bernardino County

Major Cities in the 909 Service Area:

Other Cities and Towns:

  • Big Bear City
  • Big Bear Lake
  • Bloomington
  • Blue Jay
  • Calimesa
  • Chino Hills
  • Claremont
  • Colton
  • Crestline
  • Diamond Bar
  • Glendora
  • Grand Terrace
  • Highland
  • City of Industry
  • La Verne
  • Lake Arrowhead
  • Loma Linda
  • Lytle Creek
  • Mentone
  • Montclair
  • Muscoy
  • Rialto
  • Rowland Heights
  • Running Springs
  • San Antonio Heights
  • San Dimas
  • Sugarloaf
  • Walnut
  • West Covina
  • Yucaipa

Overlay System

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 Location Map

Area Code 909 Location on California Map

Area code 909 is a General Purpose Code which was placed in service on January 1, 1947.

909 Area Code Prefixes

Our reverse phone lookup will analyze the three-digit prefix of any 909 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.

Prefixes by Company

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

Prefixes by Rate Center

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

Other California Area Codes

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