669 area code: location, time zone and current time in San Jose

Quick answer: The 669 area code serves San Jose and the southern San Francisco Bay Area in California, United States. It uses the Pacific Time Zone and was introduced in 2012 as an overlay of the original 408 code.

Key points about the 669 area code

  • The 669 area code covers San Jose and the South Bay.
  • It uses Pacific Time (UTC-8 standard, UTC-7 in summer).
  • 669 is an overlay of 408, introduced in 2012.
  • Ten-digit dialing is required throughout the area.
  • San Jose is the largest city it serves.

669 area code at a glance

Region San Jose, California
Country United States
Time zone Pacific Time (PT)
UTC offset UTC-8 / UTC-7 (DST)
In service since 2012
Type Overlay of 408
Largest city San Jose

Where is the 669 area code?

The 669 area code is located in San Jose, California, United States. The 669 area code serves San Jose and the southern San Francisco Bay Area in California, United States. It uses the Pacific Time Zone and was introduced in 2012 as an overlay of the original 408 code.

San Jose is one of several California metros in this guide. See the related California codes for 916 area code (Sacramento), 925 area code (East Bay), 559 area code (Fresno).

What time zone is the 669 area code in?

The 669 area code follows Pacific Time (PT). In practice that means UTC-8 (PST) and UTC-7 during daylight saving (PDT).

History of the 669 area code

The 669 area code went into service in 2012 as an overlay on top of the long-standing 408 code that covers San Jose and the South Bay. Rather than splitting the region geographically, the overlay added a second code across the same footprint, which is why every local call now uses ten digits.

Nearby area codes

Area code Region
408 Original code for the same San Jose region
650 San Mateo County and the Peninsula
510 Oakland and the East Bay
831 Monterey and Santa Cruz

Cities covered by the 669 area code

City Approx. population
San Jose Around 970,000
Sunnyvale Around 155,000
Santa Clara Around 130,000
Milpitas Around 80,000
Gilroy Around 60,000

Largest telephone carriers

The main networks providing service across the 669 area code include:

  • AT&T
  • Verizon
  • T-Mobile
  • Comcast (Xfinity Mobile)

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