Area Code 909

What is an Area Code? An area code is a section of a telephone number that denotes the broad area that the phone receiving the call is based in. Area codes were first introduced circa 1947 for operator use only. Area codes are three-digit numbers that represent Numbering Plan Areas (NPAs). The area code for a particular city or region is the series of numbers that you have to dial before someone’s number if you are making a phone call to that place from a different area. Area code 909 serves the state of California.

The table below shows the towns and cities that use area code 909

Big Bear City
Big Bear Lake
Bloomington
Calimesa
Chino
Chino Hills
Claremont
Colton
Crestline
Diamond Bar
Fontana
Grand Terrace
Highgrove
Highland
Industry
Lake Arrowhead
La Verne
Loma Linda
Lytle Creek
Mentone
Montclair
Muscoy
Oak Glen
Ontario
Pomona
Rancho Cucamonga
Redlands
Rialto
Running Springs
San Antonio Heights
San Bernardino
San Dimas
Upland
Walnut
Yucaipa