858 Area Code Information

Area code 858 covers 20 cities inside the state of California. There are currently 28 area codes dividing up California. California area codes are used by over 36756666 residents across 58 different counties. California became a state on September 9 1850.

The 858 is located in the Pacific Time Zone. There are 30 different phone service providers which use 403 different telephone exchange combinations

Counties using 858
Buncombe, Contra Costa, Fayette, Los Angeles, Monroe, Nevada, San Bernardino, San Diego, San Mateo, Wyoming,

Cities using 858

Other California Area Codes
209 213 310 323 408 415 424 510 530 559 562 619 626 650 661 707 714 730 760 805 818 831 858 909 916 925 949 951

Top 10 Providers in 858
Pacific Bell, Unknown , Time Warner, Cellco Partnership, Blue Licenses, Mpower Communications, Xo California., Teleport Communications, U.s. Telepacific, Sprint Spectrum,

Recently Searched Phone #'s