909 Rate Centers & Exchanges
16 rate centers · California · Pacific Time
A rate center is the geographic unit used by phone carriers to determine local calling areas and billing. Each rate center has a specific name and set of NXX exchanges (the 3-digit prefix after the area code) assigned to it. The map below shows the 16 rate centers within area code 909.
Rate Center Locations
16 centers in area code 909All Rate Centers in Area Code 909
| Rate Center |
|---|
|
Big Bear Lake
|
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Calimesa
|
|
Chino
|
|
Claremont-San Dimas
|
|
Colton
|
|
Diamond Bar
|
|
Fontana
|
|
Highland
|
|
Marshall
|
|
Ontario
|
|
Pomona
|
|
Redlands
|
|
Rialto
|
|
Riverside
|
|
San Bernardino
|
|
Upland
|