ZIP Code 57650

  • Zip Code: 57650
  • Type: Standard
  • Official USPS city name: Ralph
  • Official USPS State Code: SD
  • Official State Name: South Dakota
  • ZCTA: TRUE
  • Population: 30.0
  • Density: 0.2
  • Primary Official County Code: 46063
  • Primary Official County Name: Harding
  • Official County Name: Harding
  • Official County Code: 46063
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Denver (12:42 PM Monday, May 20 2024-05-20 (GMT -0600))
  • Geo Point: 45.8385, -103.02244


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