What is 669 Area Code?

The 669 area code was introduced as an overlay to the 408 area code to meet the rising demand for new numbers in Silicon Valley. It covers the same geographic area as 408, ensuring a steady supply of phone numbers for one of the fastest-growing regions in California.

  • State: California
  • Major Cities: San Jose, Sunnyvale, Santa Clara, Cupertino, Los Gatos
  • Time Zone: Pacific Time Zone
  • Established: 2012
  • Overlay Area Code: 408
  • Region Population: Over 3.6 million
  • Primary Uses: Mobile phones, landlines, and business communication services

Population & Demographics of 669 Area Code

The 669 area code region is home to more than 3.6 million people, with San Jose as its largest city. The area has a diverse population, reflecting a mix of cultures, professionals, and students who contribute to Silicon Valley’s global reputation. The population density is higher in urban centers like San Jose and Santa Clara, while areas like Los Gatos and Cupertino maintain suburban character.

Economically, the region has one of the highest household income averages in the United States, driven by the presence of major technology companies. The workforce includes engineers, healthcare professionals, educators, and entrepreneurs. The area continues to attract residents due to strong job opportunities, reputable schools, and a high standard of living.

669 Area Code Time Zone

The 669 area code follows the Pacific Time Zone (PT), which is UTC-8 and shifts to UTC-7 during Daylight Saving Time. This aligns business hours with major West Coast markets, including Los Angeles and San Francisco.