Area code 661

Area code in central and southern California, United States

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, 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.

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