Marion, OH ZIP Codes
Marion, Ohio has 2 ZIP codes: for street addresses and for PO boxes.
Mail addressed to Marion covers nearby places too.
Where the 43302 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
43301 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Marion city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Marion
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?
Marion PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 43301 | PO boxes at the Marion post office Marion |
| 43302 | street delivery Marion |
Why your mail may say Marion when you live outside it
Marion ZIP codes also cover Marion Township, Big Island Township and Pleasant Township, so a letter addressed to Marion can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Marion County property records show which city you are in.
Marion ZIP code questions
What is the main ZIP code for Marion?
43302, the ZIP code of the main Marion post office at 230 Barks Rd W.
Which Marion ZIP codes are for PO boxes only?
43301. Mail to it goes to boxes at the post office, not to street addresses.
What county is Marion in?
Marion County.
ZIP codes for towns near Marion
More towns near Marion: Gahanna, Findlay, Columbus, Reynoldsburg, Grove City, Newark, Lima, Springfield, Lancaster.
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