Area code 661


Area code 661 is a telephone area code in the North American Numbering Plan in the U.S. state of California. The numbering plan area comprises the southern part of the San Joaquin Valley and the far northern part of the Los Angeles metropolitan area. The largest cities in the area are Bakersfield, Santa Clarita, Palmdale, and Lancaster.
The area code was created in an area [code split] of numbering plan area 805 on February 13, 1999, in which the eastern part of 805 was renumbered with the new area code.

Service area

The numbering plan area includes most of Kern [County, California|Kern County], most of northern Los Angeles County, and small parts of Ventura County, Santa [Barbara County, California|Santa Barbara County], and Tulare County. Principal cities in the numbering plan area are Bakersfield, Lancaster, Palmdale, and Santa Clarita.

Kern County

Los Angeles County

Santa Barbara County

Tulare County