Harding County, South Dakota ZIP Codes

Zip Code
City
Population ↓
57720Buffalo518
57651Reva191
57724Camp Crook167
57755Ludlow101
57650Ralph17
57776Redig0

Overview of ZIP Codes in Harding 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.
6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 6 ZCTAs in Harding County, South Dakota (US Census).

Sources

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

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