What area code is 408 in the US?

The MoMo marketing tool number screening408 area code covers parts of Northern California, primarily Santa Clara County (including San Jose, Sunnyvale, and Cupertino) and northern Santa Cruz County. Created in 1959 from 415, it's overlaid with 669 since 2012. Time zone: Pacific (PST/PDT). Used for local calls in Silicon Valley; dial 10 digits for local numbers.

(Editor: Perspective)