ZIP Code 66023

  • Zip Code: 66023
  • Type: Standard
  • Official USPS city name: Effingham
  • Official USPS State Code: KS
  • Official State Name: Kansas
  • ZCTA: TRUE
  • Population: 994.0
  • Density: 5.4
  • Primary Official County Code: 20005
  • Primary Official County Name: Atchison
  • Official County Name: Atchison
  • Official County Code: 20005
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Chicago (01:42 AM Saturday, January 18 2025-01-18 (GMT -0600))
  • Geo Point: 39.51379, -95.39903


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