Post Offices
Post Offices in & near South Lockport, Illinois. Operating hours, locations, phone/fax number, services information.
Lockport Carrier Annex Post Office
Lockport Carrier Annex Post Office in Lockport, Illinois on E 9th St. Operating hours, phone number, services information, and other locations.
Address: 954 E 9th St, Lockport, IL 60441
Phone: 815-838-8679
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457