ZIP Code 57620

  • Zip Code: 57620
  • Type: Standard
  • Official USPS city name: Bison
  • Official USPS State Code: SD
  • Official State Name: South Dakota
  • ZCTA: TRUE
  • Population: 498.0
  • Density: 0.5
  • Primary Official County Code: 46105
  • Primary Official County Name: Perkins
  • Official County Name: Perkins
  • Official County Code: 46105
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Denver (03:24 AM Sunday, November 24 2024-11-24 (GMT -0700))
  • Geo Point: 45.38241, -102.54875


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