Williams County ZIP Codes
North Dakota, United States · 12 codes
Williams County in North Dakota has 12 ZIP codes, from 58755 to 58856, serving 12 places.
ZIP codes in Williams
Frequently asked questions
What is the ZIP code of Williams?
Williams has 12 ZIP codes, from 58755 to 58856. The table lists the places each one serves.
How many places are listed in Williams County?
12 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.