Receive a local area code
628
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Economic Overview
The 628 area code region is an economic powerhouse, anchored by the technology, finance, tourism, and healthcare industries. Major employers include tech companies, financial institutions, biotechnology firms, and world-renowned hospitals, as well as a vibrant hospitality sector. The area is home to numerous startups and established corporations, particularly in San Francisco.
Geographical Overview
Area code 628 serves San Francisco and portions of Marin and San Mateo counties in Northern California. Major cities covered include San Francisco, San Rafael, Mill Valley, and Daly City. It is an overlay area code for the region also covered by area code 415.
Location Info
Area code 628 covers the entire city and county of San Francisco, most of Marin County (including cities like Sausalito, Tiburon, and Corte Madera), and a small part of northern San Mateo County. It was introduced as an overlay to 415 to accommodate increased demand for phone numbers in the region.
Population Demographics
The 628 region is densely populated and highly diverse, with significant populations of Asian, Hispanic, African American, and Caucasian residents. The population is well-educated, with a high percentage of college graduates and professionals, and includes a mix of young professionals, families, and immigrants.
Time Zone Info
Area code 628 is located in the Pacific Time Zone (PT).
Other Area Code Details
Area code 628 was added in March 2015 as an overlay to the historic 415, which is one of the original North American area codes from 1947. The region is known for iconic landmarks such as the Golden Gate Bridge, Alcatraz Island, and a rich cultural and artistic heritage.
