Richland County ZIP Codes
North Dakota, United States · 14 codes
Richland County in North Dakota has 14 ZIP codes, from 58001 to 58081, serving 14 places.
ZIP codes in Richland
Frequently asked questions
What is the ZIP code of Richland?
Richland has 14 ZIP codes, from 58001 to 58081. The table lists the places each one serves.
How many places are listed in Richland County?
14 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.