916
Beverly Hills, California, is divided between area code 323 in the northeast and area codes 310 and 424 (overlay) in the southwest.
The area code 90210 is located in Beverly Hills, California. Beverly Hills is a city in Los Angeles County which is home to the famous Rodeo Drive, a very famous shopping area known for its designer labels and rich clientele.
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.
Beverly Hills, CA
The Mission Hills, California, is in area code 818, with overlay area code 747. Any existing 818 numbers will remain in area code 818 for the rest of eternity, or until we move to four-digit area codes, probably some time mid-21st century. However, new numbers may be assigned in the 747 overlay code, or in subsequent overlay codes that may be added in the future.
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.