Madison County ZIP Codes
Iowa, United States · 8 codes
Madison County in Iowa has 8 ZIP codes, from 50033 to 50273, serving 8 places.
ZIP codes in Madison
Frequently asked questions
What is the ZIP code of Madison?
Madison has 8 ZIP codes, from 50033 to 50273. The table lists the places each one serves.
How many places are listed in Madison County?
8 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.