Placentia, CA ZIP Codes
Placentia, California has 2 ZIP codes: for street addresses and for PO boxes.
Mail addressed to Placentia covers nearby places too.
Where the 92870 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
92871 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Placentia city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Placentia
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?
Placentia PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 92870 | street delivery Placentia |
| 92871 | PO boxes at the Placentia post office Placentia |
Placentia ZIP code questions
What is the main ZIP code for Placentia?
92870, the ZIP code of the main Placentia post office at 1400 N Kraemer Blvd.
Which Placentia ZIP codes are for PO boxes only?
92871. Mail to it goes to boxes at the post office, not to street addresses.
What county is Placentia in?
Orange County.
ZIP codes for towns near Placentia
More towns near Placentia: Orange, Diamond Bar, Chino Hills, Buena Park, La Mirada, Garden Grove, Stanton, Santa Ana, Hacienda Heights.
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