Traill County, North Dakota ZIP Codes

Zip Code
City
Population ↓
58045Hillsboro2,239
58257Mayville2,180
58218Buxton873
58035Galesburg212
58038Grandin179
58016Clifford178
58219Caledonia175
58223Cummings172
58009Blanchard48

Overview of ZIP Codes in Traill County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
9
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 9 ZCTAs in Traill County, North Dakota (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

Recommended Reading