Lyman County, South Dakota ZIP Codes

Zip Code
City
Population ↓
57548Lower Brule1,442
57365Oacoma599
57568Presho540
57569Reliance497
57544Kennebec421
57576Vivian205

Overview of ZIP Codes in Lyman 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 Lyman County, South Dakota (US Census).

Sources

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

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