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CALIFORNIA TELEPHONE CENTRAL OFFICE'S

                                       

 

CALIFORNIA STATE CENTRAL OFFICES BY AREA CODES
** Denotes all offices for that area code are listed.
LINK                  OFFICES LISTED               REGION SERVED
Area Code 209               (29)               (Serving Northern San Joaquin Valley, Stockton, Modesto and Merced regions)
Area Code 213               (4)**              (Serving the core downtown metropolitan Los Angeles region)
Area Code 310               (36)**            (Serving western metropolitan Los Angeles, Beverly Hills, Santa Monica and the South Bay)
Area Code 323               (18)**            (Serving metropolitan Los Angeles, North Hollywood and South Gate)
Area Code 408               (17)               (Serving San Jose, Santa Clara and the Silicon Valley)
Area Code 415               (14)               (Serving the San Francisco and northern Marin County regions)
Area Code 510               (17)               (Serving Oakland and the East Bay region)
Area Code 530               (32)               (Serving Northern Central California, Chico, Redding and Red Bluff)
Area Code 559               (55)               (Serving the Fresno and Central Valley regions)
Area Code 562               (22)**            (Serving Long Beach, Downey, Whittier and the southwestern Los Angeles County region)
Area Code 619               (25)**            (Serving metropolitan San Diego, Chula Vista, El Cajon, and southeastern portions of San Diego County)
Area Code 626               (18)**            (Serving the eastern Los Angeles metropolitan area and San Gabriel Valley)
Area Code 650               (17)**            (Serving the South San Francisco region including San Mateo, Palo Alto and coastal areas)
Area Code 661               (45)               (Serving Bakersfield region, Antelope Valley and Santa Clarita areas of Los Angeles County)
707
Area Code 714               (25)**            (Serving the northern Orange County region including Anaheim, Huntington Beach, Orange, and Santa Ana)
760
805
818
831
858
Area Code 909               (34)**            (Serving western Riverside County and San Bernardino Counties, including the San Bernardino, Ontario and Inland Empire regions)
916
925
Area Code 949              (14)**                  (Serving the Southern Orange County region including Irvine, Costa Mesa and San Juan Capistrano)
951

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