Post Offices in & near East Chicago, Indiana. Operating hours, locations, phone/fax number, services information.
Harbor Post Office in East Chicago, Indiana on Main St. Operating hours, phone number, services information, and other locations.
Address: 3813 Main St, East Chicago, IN 46312
Phone: 219-397-2417
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457