Area code 661 is a telephone area code in the North American Numbering Plan for the southern part of the San Joaquin Valley and for the far northern part of the Los Angeles metropolitan area. The numbering plan area comprises most of Kern County, most of northern Los Angeles County (specifically the Santa Clarita Valley, the Antelope Valley and the surrounding mountains), and small parts of Ventura County, Santa Barbara County, and Tulare County. It was created in an area code split of area code 805 on February 13, 1999.

458/541775702928442/760916/279530707209559831805661858909951619213323707916/279415650510/341925408209831805661442/760310/424747/818626909951949562657/714
Numbering plan areas in California (blue) and border states. Area code 661 is shown in red.

Principal cities in the numbering plan area are Bakersfield, Palmdale, Santa Clarita, and Lancaster.

Significance edit

This area code encompasses Edwards Air Force Base where the sound barrier was first broken by Chuck Yeager. The speed of sound at sea level is 661 knots, hence the correlation.

Service area edit

Kern County edit

Los Angeles County edit

Santa Barbara County edit

Tulare County edit

See also edit

References edit

External links edit

California area codes: 209, 213/323, 279/916, 310/424, 341/510, 408/669, 415/628, 442/760, 530, 559, 562, 619/858, 626, 650, 657/714, 661, 707, 747/818, 805/820, 831, 840/909, 925, 949, 951
North: 559
West: 805/820 661 East: 442/760
South: 805/820, 747/818, 626

35°00′N 118°42′W / 35°N 118.7°W / 35; -118.7