SSA splits San Francisco's 28 ZIP codes among 3 offices: 12 to the Sf Mission Social Security Office, 10 to the Sf Downtown Social Security Office and 6 to the Sf Chinatown Social Security Office. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.
ZIP codes 94107, 94110, 94112, 94114, 94116, 94124, 94127, 94131, 94132, 94134, 94158 and 94188 go to the Sf Mission Social Security Office, 3140 16th St, San Francisco.
ZIP codes 94102, 94103, 94115, 94117, 94118, 94121, 94122, 94123, 94129 and 94130 go to the Sf Downtown Social Security Office, 90 7th St, Annex 1st Fl, San Francisco.
ZIP codes 94104, 94105, 94108, 94109, 94111 and 94133 go to the Sf Chinatown Social Security Office, 560 Kearny Street, San Francisco.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps San Francisco (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.