628 Area Code

About Area Code 628

State: California
Major City: San Francisco
Timezone: Pacific (7:51pm)
Short URL: allareacodes.com/628

Area Code 628 Map

  • San Francisco, CA

More About Area Code 628

Area code 628 was first put in service March 21, 2015. Currently, the largest city it serves is San Francisco, CA, and it overlaps coverage areas with area code 415.