Marshall County ZIP Codes
Iowa, United States · 13 codes
Marshall County in Iowa has 13 ZIP codes, from 50005 to 50247, serving 13 places.
ZIP codes in Marshall
Frequently asked questions
What is the ZIP code of Marshall?
Marshall has 13 ZIP codes, from 50005 to 50247. The table lists the places each one serves.
How many places are listed in Marshall County?
13 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.