Post Offices

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

Lyon Post Office

Lyons Post Office in Clinton, Iowa on Main Ave. Operating hours, phone number, services information, and other locations.

Address: 97 Main Ave, Clinton, IA 52732
Phone: 563-243-1333
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 1:00pm, 2:00pm - 5:00pm
Tuesday 8:30am - 1:00pm, 2:00pm - 5:00pm
Wednesday 8:30am - 1:00pm, 2:00pm - 5:00pm
Thursday 8:30am - 1:00pm, 2:00pm - 5:00pm
Friday 8:30am - 1:00pm, 2:00pm - 5:00pm
Saturday Closed
Sunday Closed

Lobby Hours

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday 1:00pm