St. Joseph, MO ZIP Codes
St. Joseph, Missouri has 8 ZIP codes: 6 for street addresses (, , , , and ) and 2 for PO boxes ( and ).
Your street decides which one you use.
Which St. Joseph 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?
St. Joseph ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
64502 and 64508 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: St. Joseph city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All St. Joseph ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 64501 | street delivery; mail may be addressed to Saint Joseph Saint Joseph |
| 64502 | PO boxes at the Eastside post office Eastside |
| 64503 | street delivery; mail may be addressed to Saint Joseph Saint Joseph |
| 64504 | street delivery; mail may be addressed to Saint Joseph Saint Joseph |
| 64505 | street delivery; mail may be addressed to Saint Joseph Saint Joseph |
| 64506 | street delivery; mail may be addressed to Saint Joseph Saint Joseph |
| 64507 | street delivery; mail may be addressed to Saint Joseph Saint Joseph |
| 64508 | PO boxes at the Eastside post office Eastside |
Why your mail may say St. Joseph when you live outside it
St. Joseph ZIP codes also cover Country Club and Agency, so a letter addressed to St. Joseph can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Buchanan County property records show which city you are in.
St. Joseph ZIP code questions
What is the main ZIP code for St. Joseph?
64501, the ZIP code of the main Saint Joseph post office at 201 S 8th St.
Which St. Joseph ZIP codes are for PO boxes only?
64502 and 64508. Mail to them goes to boxes at the post office, not to street addresses.
What county is St. Joseph in?
Buchanan County.
ZIP codes for towns near St. Joseph
More towns near St. Joseph: Lenexa, Blue Springs, Leawood, Lawrence, Overland Park, Olathe, Lee's Summit, Topeka, Manhattan.
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