The 628 area code covers San Francisco, Marin County, Sausalito and more in California. Provision a local 628 number in minutes.
Area code 628 is the 2015 overlay for the 415 code, covering San Francisco and Marin County. As San Francisco became one of the most phone-number-intensive cities in the country due to its tech boom, the 415 code's numbering capacity was exhausted. Both codes now serve the same geography and require 10-digit dialing.
The 628 area code covers San Francisco, Marin County, Sausalito, Mill Valley in California.
Phone numbers in the 628 area code operate on America/Los_Angeles time.
Yes. The 628 area code was introduced in 2015 and remains an active overlay code today.
Yes. Ajoxi provisions virtual 628 numbers with instant activation, clean caller-ID delivery, Tier-1 routing, and no setup fees — so you can build a local presence in minutes.
Provision a 628 number with instant activation, clean caller-ID, and Tier-1 routing — no setup fees, live in minutes.