Area Code 408

San Jose, California · PST/PDT (UTC-8)

Area Code
408
City
San Jose, CA
Time Zone
PST/PDT
UTC Offset
UTC-8 (UTC-7 DST)
DST
Observed
Introduced
1959

Coverage Area

San Jose, Santa Clara, Sunnyvale, Cupertino, Campbell

Heart of Silicon Valley. Most tech headquarters in this area code.

Major Cities
San JoseSanta ClaraSunnyvaleCupertinoCampbell

Time Zone Details

Standard Time
PST (UTC-8)
Daylight Time
PDT (UTC-7)
DST 2026 Start
March 8, 2026
DST 2026 End
November 1, 2026

Frequently Asked Questions

Where is area code 408?

Area code 408 is in San Jose, California. It covers San Jose, Santa Clara, Sunnyvale, Cupertino, Campbell.

What time zone is area code 408?

Area code 408 (San Jose, California) is in the PST/PDT time zone (UTC-8 standard time, UTC-7 during Daylight Saving Time).

Is area code 408 a scam?

Area code 408 itself is legitimate — it serves San Jose, California. However, scammers can spoof any area code. If you receive an unexpected call from 408, verify the caller's identity before sharing personal information. Legitimate businesses in San Jose will use this code.

What time is it in area code 408 right now?

Area code 408 (San Jose) is in the PST/PDT zone. Check the live clock at whattime.city/san-jose/ for the current time.