How to Write a Iowa Address (With Examples)

Address basics  |   |  2 min read

A correctly written Iowa address helps mail and packages arrive on time, and it keeps your databases clean. This guide covers the format with real city and ZIP examples.

The standard format

RECIPIENT NAME STREET NUMBER AND NAME, UNIT CITY, IA ZIP CODE

The state is always written as IA, two capital letters with no periods. USPS prefers the city, state and ZIP on the same final line.

Example: Des Moines

James Lopez 9319 Meadow St Des Moines, IA 50317

Example with an apartment in Des Moines

Sofia Baker 102 Sycamore Blvd Apt 8 Des Moines, IA 50307

Example with a PO Box

Thomas Nguyen PO Box 5072 Des Moines, IA 50315

PO Boxes often have their own ZIP code, separate from street addresses in the same town. Check the ZIP with the post office that holds the box.

Common mistakes

  • Mixing up IA with IN (Indiana) and ID (Idaho). These codes look similar and cause misrouted mail.
  • Writing the full state name or an old abbreviation instead of IA.
  • Putting the apartment number on a line below the street address.
  • Using a ZIP code from a neighboring city. One city can have many codes, but each street belongs to a specific one.

Counties and local details

Iowa is divided into 99 counties. The county does not appear in a mailing address, but it matters for sales tax, elections and some shipping rules, so many business systems store it separately.

Create realistic Iowa addresses for testing, with real cities, counties and ZIP codes.

Generate Iowa addresses