Cordelia, California, is in area code 707.
Fairfield, California, including Cordelia, is in area code 707.
Martinez, CA, is in area code 925.
Victorville, CA, is in area code 760 and overlay code 442.
The area code for North Highlands, CA is 916.
San Clemente, CA, is in area code 949.
Petaluma, CA, is in area code 707.
Bakersfield, California, is in area code 661.
Concord, California, is in area code 925.
Hollister, California, is in area code 831.
Cambria, CA, is in area code 805.
Sebastopol, California, is in area code 707.
Hayward, California, is in area code 510.