San Luis, AZ ZIP Codes
San Luis, Arizona has 3 ZIP codes: for street addresses and and for PO boxes.
Mail addressed to San Luis covers nearby places too.
Where the 85350 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
85336 and 85349 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: San Luis city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in San Luis
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?
San Luis PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 85336 | PO boxes at the San Luis post office San Luis |
| 85349 | PO boxes at the San Luis post office San Luis |
| 85350 | street delivery; mail may be addressed to Somerton Somerton |
Why your mail may say San Luis when you live outside it
San Luis ZIP codes also cover Somerton, Gadsden and Rancho Mesa Verde, so a letter addressed to San Luis can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Yuma County property records show which city you are in.
San Luis ZIP code questions
What is the main ZIP code for San Luis?
85336, the ZIP code of the main San Luis post office at 874 S Main St.
Which San Luis ZIP codes are for PO boxes only?
85336 and 85349. Mail to them goes to boxes at the post office, not to street addresses.
What county is San Luis in?
Yuma County.
ZIP codes for towns near San Luis
More towns near San Luis: Palm Desert, El Cajon, Spring Valley, La Presa, Chula Vista, Santee, La Mesa, Buckeye, Cathedral City.
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