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Waterloo Post Office in Waterloo, IL

Find Waterloo Post Office in Waterloo, IL 62298 to get information on mail-related services, postal services, postal items and payment, parcel shipment, and mail and parcel delivery.

  • Waterloo Post Office
  • 305 East 3rd Street, Waterloo, IL 62298
  • 618-939-7317
  • Mon-Fri 7:30 AM-5:00 PM
    Sat 7:30 AM-12:00 PM

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