Area Code 408 History - California

Significant events for area code 408


Year
Details
1959 Area code 415 was split three ways, with 707 covering the north coastal area and 408 covering the South Bay Area.
1998 Area code 408 was split with 831 covering Santa Cruz, Monterey and San Benito Counties.
2012 Area code 669 was overlaid on 408.