Post Offices

Post Offices in & near Upper Alton, Illinois. Operating hours, locations, phone/fax number, services information.

Alton Post Office

Post Office in Alton, Illinois on Homer M Adams Pkwy. Operating hours, phone number, services information, and other locations.

Address: 2350 Homer M Adams Pkwy, Alton, IL 62002
Phone: 618-462-2501
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:00pm
Tuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 8:30am - 11:30am
Sunday Closed

Lobby Hours

Monday 5:30pm
Tuesday 5:30pm
Wednesday 5:30pm
Thursday 5:30pm
Friday 5:30pm
Saturday 5:30pm
Sunday Closed

Last Collection Times

Monday 9:00am - 12:00pm, 2:00pm - 4:00pm
Tuesday 9:00am - 12:00pm, 2:00pm - 4:00pm
Wednesday 9:00am - 12:00pm, 2:00pm - 4:00pm
Thursday 9:00am - 12:00pm, 2:00pm - 4:00pm
Friday 9:00am - 12:00pm, 2:00pm - 4:00pm
Saturday 9:00am - 11:00am
Sunday Closed