Phone number reference · United States
415 area code
San Francisco and much of Marin County.
415 and its 628 overlay serve the San Francisco side of the Bay Area and much of Marin County. Oakland and San Jose are separate numbering regions. For a business scheduling visits across the bay, the area code is a starting point, not a reliable indication of travel time.
San Francisco and Marin
Geographic code · In service
415 at a glance
- Region
- San Francisco and Marin
- Time zone
- Pacific Time
- In service since
- 01-Jan-1947
- Overlay arrangement
- 415/628
Numbering details checked September 21, 2026 against the NANPA database. See the official area-code maps for boundaries.
Questions about 415
Does 415 cover the entire Bay Area?
No. San Francisco and much of Marin are associated with 415; other parts of the Bay Area use different codes. Confirm the city before scheduling a service call.
Is a 415 call safe to answer?
The 415 prefix identifies a numbering region, not a caller's identity or trustworthiness. Verify an unexpected request by contacting the organization through a number you already know.
Can I get a 415 business number?
Search the available numbers in VeraDial. Inventory changes, so a 415 number is not guaranteed. You can also keep your current carrier number and forward voice calls to a VeraDial line; existing texts stay with your carrier.
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