ZIP Code 57233

  • Zip Code: 57233
  • Type: Standard
  • Official USPS city name: Erwin
  • Official USPS State Code: SD
  • Official State Name: South Dakota
  • ZCTA: TRUE
  • Population: 139.0
  • Density: 1.6
  • Primary Official County Code: 46077
  • Primary Official County Name: Kingsbury
  • Official County Name: Kingsbury
  • Official County Code: 46077
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Chicago (12:10 PM Thursday, November 21 2024-11-21 (GMT -0600))
  • Geo Point: 44.51193, -97.39821


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