Post Offices in & near Collinsville, Illinois. Operating hours, locations, phone/fax number, services information.
Post Office in Collinsville, Illinois on Eastport Plaza Dr. Operating hours, phone number, services information, and other locations.
Address: 1610 Eastport Plaza Dr, Collinsville, IL 62234
Phone: 618-344-3787
Fax: 618-345-4507
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
