Post Offices

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

Upper Alton Post Office

Upper Alton Post Office in Alton, Illinois on Main St. Operating hours, phone number, services information, and other locations.

Address: 1624 Main St, Alton, IL 62002
Phone: 618-462-6014
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:30pm
Tuesday 8:30am - 5:30pm
Wednesday 8:30am - 5:30pm
Thursday 8:30am - 5:30pm
Friday 8:30am - 5:30pm
Saturday 9:00am - 2:00pm
Sunday Closed

Lobby Hours

Monday 8:30am - 6:00pm
Tuesday 8:30am - 6:00pm
Wednesday 8:30am - 6:00pm
Thursday 8:30am - 6:00pm
Friday 8:30am - 6:00pm
Saturday 9:00am - 3:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 12:00pm
Sunday Closed

Alton Post Office

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

East Alton Post Office

Address: 200 Smith Ave, East Alton, IL 62024
Phone: 618-259-8721
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Alton Squar Post Office

Address: 117 Alton Sq, Alton, IL 62002
Phone: 618-463-4728
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Cottage Hill Post Office

Address: 36 W Macarthur Dr, Cottage Hills, IL 62018
Phone: 618-259-2212
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Wood River Post Office

Address: 161 E Ferguson Ave, Wood River, IL 62095
Phone: 618-254-6422
Fax: 618-254-6424
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457