The area code 628 is located in San Francisco, California.
Area code 628 is located in the bustling city of San Francisco, California. Known for its iconic landmarks like the Golden Gate Bridge and Alcatraz Island, San Francisco is a vibrant hub of culture, innovation, and technology. With the area code 628, residents and businesses in this area can stay connected with friends, family, and colleagues, making calls within and beyond the city limits. Whether you're exploring the city's diverse neighborhoods or conducting business in the heart of downtown, area code 628 keeps you in touch with the vibrant energy of San Francisco.