Post Offices
Post Offices in & near Helmar, Illinois. Operating hours, locations, phone/fax number, services information.
Millbrook Post Office
Post Office in Millbrook, Illinois on Harris Ave. Operating hours, phone number, services information, and other locations.
Address: 27 Harris Ave, Millbrook, IL 60536
Phone: 708-553-5351
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:00am - 12:00pmTuesday 8:00am - 12:00pm
Wednesday 8:00am - 12:00pm
Thursday 8:00am - 12:00pm
Friday 8:00am - 12:00pm
Saturday 8:30am - 11:30am
Sunday Closed
Lobby Hours
Monday 4:30pmTuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 11:30am
Sunday Closed
Last Collection Times
Monday 9:00am - 11:00amTuesday 9:00am - 11:00am
Wednesday 9:00am - 11:00am
Thursday 9:00am - 11:00am
Friday 9:00am - 11:00am
Saturday Closed
Sunday Closed
Newark Post Office
Address: 11 E Main St, Newark, IL 60541
Phone: 815-695-5242
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Millington Post Office
Address: 200 N Grant St, Millington, IL 60537
Phone: 815-695-5868
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Plan Post Office
Address: 102 N Center St, Plano, IL 60545
Phone: 630-552-3451
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Yorkvill Post Office
Address: 601 E Countryside Pkwy, Yorkville, IL 60560
Phone: 630-553-7100
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Sandwich Post Office
Address: 22 N Eddy St, Sandwich, IL 60548
Phone: 815-786-6716
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457