Area code 909

Largest exchanges

• Ontario124
• S Berndino88
• Fontana70
• Upland70
• Chino55
• Pomona51
• Claremont50
• Colton45
• Redlands38
• Rialto34

Largest carriers

• Frontier California Inc.156
• T-mobile Usa, Inc.87
• New Cingular Wireless Pcs, LLC75
• Cellco Partnership dba Verizon Wireless - CA72
• Metropcs Networks, LLC52
• Bandwidth.com Clec, LLC - CA47
• Pacific Bell47
• Onvoy, LLC - CA34
• U.s. Telepacific Corp. dba Tpx Communications27
• Level 3 Communications, LLC - CA26

Most reported 909 numbers

No visitor reports yet in this area code.

FCC complaints

• 909-358-46091 · 2026-10-07