ZIP Code 57657

  • Zip Code: 57657
  • Type: Standard
  • Official USPS city name: Trail City
  • Official USPS State Code: SD
  • Official State Name: South Dakota
  • ZCTA: TRUE
  • Population: 229.0
  • Density: 0.3
  • Primary Official County Code: 46031
  • Primary Official County Name: Corson
  • Official County Name: Corson| Dewey
  • Official County Code: 46031| 46041
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Denver (20:53 PM Sunday, November 24 2024-11-24 (GMT -0700))
  • Geo Point: 45.50669, -100.81216


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