Area Code 408 — California

Active General Purpose Code Overlay United States

Area code 408 is located in California and operates on Pacific Time . The largest city served is Sunnyvale .

Coverage Area

Area code 408 — California

Area Code Details

Area Code: 408
State / Province: California (CA)
Country: United States
Time Zone: Pacific Time Pacific Time
Local Time Now: —
Status: Active
Code Type: General Purpose Code
In Service Since: January 1, 1959
Assigned: January 1, 1959
Population Served: ~354,774 est.
Overlay Complex: 408/669

Cities Served

Largest City Sunnyvale

Sunnyvale Gilroy Morgan Hill Campbell Saratoga Los Gatos San Jose: West DA San Jose: North DA San Jose: South DA

History & Relationships

Split from

New codes split from 408

669 California 831 California

Overlay complex — shares geography with

Rate Centers & Exchanges

9 rate centers identified within area code 408

View exchanges →

Other Area Codes in California

Nearby Area Codes

Frequently Asked Questions About Area Code 408

What state is area code 408?

Area code 408 is located in California, United States.

Where is area code 408 from?

Area code 408 originates from California. It operates in the Pacific Time zone.

What time zone is area code 408?

Area code 408 falls within the Pacific Time zone (Pacific Time).

What cities are in area code 408?

Area code 408 serves cities including Sunnyvale, Gilroy, Morgan Hill, Campbell, Saratoga, Los Gatos, San Jose: West DA, San Jose: North DA, and more.

Is a call from area code 408 a scam?

Area code 408 is a legitimate general purpose code area code serving California. Like any area code, individual numbers using 408 can be used for scam calls — always verify the specific number if you receive an unexpected or suspicious call.