Kokomo, IN ZIP Codes
Kokomo, Indiana has 4 ZIP codes: 2 for street addresses ( and ) and 2 for PO boxes ( and ).
Your street decides which one you use.
Which Kokomo 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?
Kokomo ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
46903 and 46904 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Kokomo city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Kokomo ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 46901 | street delivery Kokomo Sorting and Delivery Center |
| 46902 | street delivery Kokomo Sorting and Delivery Center |
| 46903 | PO boxes at the Uptown post office Uptown |
| 46904 | PO boxes at the Kokomo Sorting and Delivery Center post office Kokomo Sorting and Delivery Center |
Why your mail may say Kokomo when you live outside it
Kokomo ZIP codes also cover Ervin Township, Howard Township and Taylor Township, so a letter addressed to Kokomo can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Howard County property records show which city you are in.
Kokomo ZIP code questions
What is the main ZIP code for Kokomo?
46901, the ZIP code of the main Kokomo Sorting and Delivery Center post office at 2719 S Webster St.
Which Kokomo ZIP codes are for PO boxes only?
46903 and 46904. Mail to them goes to boxes at the post office, not to street addresses.
What county is Kokomo in?
Howard County.
ZIP codes for towns near Kokomo
More towns near Kokomo: Lafayette, West Lafayette, Lawrence, Muncie, Brownsburg, Indianapolis, Plainfield, Greenwood, Fort Wayne.
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