Iowa City, IA ZIP Codes
Iowa City, Iowa has 6 ZIP codes: 4 for street addresses (, , and ), 1 for PO boxes () and 1 for a single organization.
Your street decides which one you use.
Which Iowa City 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?
Iowa City ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
52243 and 52244 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Iowa City city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Iowa City ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 52240 | street delivery Iowa City |
| 52242 | street delivery Iowa City |
| 52243 | one organization Iowa City |
| 52244 | PO boxes at the Iowa City post office Iowa City |
| 52245 | street delivery Iowa City |
| 52246 | street delivery Coralville |
Why your mail may say Iowa City when you live outside it
Iowa City ZIP codes also cover University Heights, so a letter addressed to Iowa City can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Johnson County property records show which city you are in.
Iowa City ZIP code questions
What is the main ZIP code for Iowa City?
52240, the ZIP code of the main Iowa City post office at 925 Highway 6 E.
Which Iowa City ZIP codes are for PO boxes only?
52244. Mail to it goes to boxes at the post office, not to street addresses.
What county is Iowa City in?
Johnson County.
ZIP codes for towns near Iowa City
More towns near Iowa City: Waterloo, Dubuque, Cedar Falls, Ankeny, Des Moines, Ames, Urbandale, West Des Moines, Peoria.
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