ZIP Code 61544

  • Zip Code: 61544
  • Type: Standard
  • Official USPS city name: London Mills
  • Official USPS State Code: IL
  • Official State Name: Illinois
  • ZCTA: TRUE
  • Population: 724.0
  • Density: 8.5
  • Primary Official County Code: 17057
  • Primary Official County Name: Fulton
  • Official County Name: Fulton| Knox
  • Official County Code: 17057| 17095
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Chicago (11:10 AM Wednesday, August 27 2025-08-27 (GMT -0500))
  • Geo Point: 40.69175, -90.24007


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