628 area code
Get a local phone number in San Francisco, CA
Biggest city:
San Francisco
State:
California
Major Cities:
San Francisco, Daly City, Brisbane, San Rafael, Novato, Mill Valley, San Anselmo, Corte Madera, Tiburon, Fairfax, Sausalito, Kentfield, Santa Venetia, Marin City, Ross, Belvedere
Timezone:
Pacific (GMT -8)
Population:
3,328,000
Average Income:
$119,822
Zip codes:
94102
94199
Unemployment Rate:
6.10%
Nearby area codes:
415
650
628 area code summary
Area code 628 is an overlay for 415, covering San Francisco and parts of Marin County. Introduced in 2015, 628 supports one of the most iconic and economically powerful metro areas in the world. San Francisco is known for its technology ecosystem, financial institutions, and startups, while Marin adds affluence and scenic coastal towns. The region is home to Salesforce, Uber, and other tech leaders, as well as major universities and hospitals. A 628 number offers entry into a highly respected business environment with global influence. It’s ideal for startups, digital firms, or anyone looking to align with the prestige of the Bay Area.
Fun fact 💡
San Francisco’s Exploratorium, since 1969, is a 628 science hub.
🏢First Phone Company:
Pacific Bell (later AT&T)
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