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Alton Square Post Office in Alton, IL

Find Alton Square Post Office in Alton, IL 62002 to get information on mail-related services, postal services, postal items and payment, parcel shipment, and mail and parcel delivery.

  • Alton Square Post Office
  • 117 Alton Square, Alton, IL 62002
  • 618-463-4728
  • Mon-Fri 7:30 AM-5:00 PM
    Sat 7:30 AM-12:00 PM

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