408 Area Code: Location, Map, Cities, and Phone Numbers Guide

If you’re wondering where the 408 area code is used, it primarily covers Silicon Valley—think San Jose, Santa Clara, Sunnyvale, Cupertino, Gilroy, Morgan Hill, and nearby towns in Santa Clara County, with small parts touching northern Santa Cruz and Alameda Counties. It’s a Northern California staple, overlaid by 669 since 2012. Geography and Scope of […]