628
San Francisco
Pacific Time
Equip your phone number with Retell’s AI receptionist—trained to answer FAQs, book appointments, qualify leads, and route calls in real time. Local number, enterprise-grade service.
Technology, finance, tourism, healthcare and media, with major employers in San Francisco's Financial District and SoMa.
San Francisco County, most of Marin County and a small part of northern San Mateo County.
Cities include San Francisco, San Rafael, Novato, Mill Valley, Sausalito, Tiburon, Larkspur, Corte Madera, San Anselmo, Belvedere and Brisbane. Companies with a 628 number can put an AI agent on the line through Retell's San Francisco answering service, or look at the California answering service for statewide coverage.
Area code 628 was added as an overlay on area code 415 in 2015. Both codes serve the same area, and every local call needs 10-digit dialing.
San Francisco's cable cars are the last manually operated cable car system in the world still in regular service.
