Downey, CA ZIP Codes
Downey, California has 4 ZIP codes: 3 for street addresses (, and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Downey ZIP code is my address in?
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?
Downey ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
90239 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Downey city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Downey ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 90239 | PO boxes at the North Downey post office North Downey |
| 90240 | street delivery Downey |
| 90241 | street delivery Downey |
| 90242 | street delivery South Downey |
Downey ZIP code questions
What is the main ZIP code for Downey?
90240, the ZIP code of the main Downey post office at 8111 Firestone Blvd.
Which Downey ZIP codes are for PO boxes only?
90239. Mail to it goes to boxes at the post office, not to street addresses.
What county is Downey in?
Los Angeles County.
ZIP codes for towns near Downey
More towns near Downey: Lynwood, Pico Rivera, Montebello, Huntington Park, South Whittier, Cerritos, Lakewood, Compton, Whittier.
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