Oceanside, CA ZIP Codes
Oceanside, California has 7 ZIP codes: 4 for street addresses (, , and ) and 3 for PO boxes (, and ).
Your street decides which one you use.
Which Oceanside 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?
Oceanside ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
92049, 92051 and 92052 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Oceanside city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Oceanside ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 92049 | PO boxes at the First Street post office First Street |
| 92051 | PO boxes at the Brooks Street post office Brooks Street |
| 92052 | PO boxes at the Oceanside post office Oceanside |
| 92054 | street delivery Brooks Street |
| 92056 | street delivery Oceanside |
| 92057 | street delivery Oceanside |
| 92058 | street delivery Brooks Street |
Why your mail may say Oceanside when you live outside it
Oceanside ZIP codes also cover Camp Pendleton Mainside and Camp Pendleton South, so a letter addressed to Oceanside can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. San Diego County property records show which city you are in.
Oceanside ZIP code questions
What is the main ZIP code for Oceanside?
92056, the ZIP code of the main Oceanside post office at 1895 Avenida del Oro.
Which Oceanside ZIP codes are for PO boxes only?
92049, 92051 and 92052. Mail to them goes to boxes at the post office, not to street addresses.
What county is Oceanside in?
San Diego County.
ZIP codes for towns near Oceanside
More towns near Oceanside: Temecula, Poway, San Clemente, Murrieta, Wildomar, San Juan Capistrano, Dana Point, French Valley, San Diego.
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