Area Code 442 History:
Area code 442 was put into service. Area code 442 is an overlay of area code 760.
Counties in California within area code 442 include:
Imperial County, Inyo County, Kern County, Mono County, Riverside County, San Bernardino County, and San Diego County.
Major cities or places in California within area code 442 include:
Area codes 442 and 760 serve most of southeastern California including the larger communities of Apple Valley, Barstow, Bishop, Brawley, Bridgeport, Calexico, Carlsbad, Cathedral City, Coachella, El Centro, Encinitas, Escondido, Fallbrook, Hesperia, Indio, La Quinta, Oceanside, Palm Desert, Palm Springs, Ridgecrest, San Marcos, Victorville, and Vista in addition to many smaller communities within the service area.