ZIP Code 63664

  • Zip Code: 63664
  • Type: Standard
  • Official USPS city name: Potosi
  • Official USPS State Code: MO
  • Official State Name: Missouri
  • ZCTA: TRUE
  • Population: 9176.0
  • Density: 12.0
  • Primary Official County Code: 29221
  • Primary Official County Name: Washington
  • Official County Name: Washington
  • Official County Code: 29221
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Chicago (07:50 AM Friday, March 14 2025-03-14 (GMT -0500))
  • Geo Point: 37.91251, -90.91974


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