South Gate, CA ZIP Code
South Gate, California has one ZIP code: .
Mail addressed to South Gate covers nearby places too.
Where the 90280 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: South Gate city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in South Gate
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
South Gate ZIP code questions
What is the main ZIP code for South Gate?
90280, the ZIP code of the main Firestone post office at 3270 Firestone Blvd.
What county is South Gate in?
Los Angeles County.
ZIP codes for towns near South Gate
More towns near South Gate: Downey, Compton, Bellflower, East Los Angeles, Pico Rivera, Norwalk, Montebello, Gardena, Lakewood.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections