Area Code 661 History:
Area code 661 was put into service. Area code 661 was created from a split of area code 805.
Counties in California within area code 661 include:
Kern County, Los Angeles County, Santa Barbara County, and Tulare County.
Major cities or places in California within area code 661 include:
Area code 661 serves most of Kern County, a portion of Los Angeles County, and a few communities in Santa Barbara County and Tulare County including the larger cities and communities of Bakersfield, Delano, Lancaster, Oildale, Palmdale, Santa Clarita, and Wasco in addition to many smaller communities within the area code 661 service area.