Post Offices

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

Downtown Janesvill Post Office

Downtown Janesville Post Office in Janesville, Wisconsin on S Main St Ste 18. Operating hours, phone number, services information, and other locations.

Address: 20 S Main St Ste 18, Janesville, WI 53545
Phone: 608-754-4881
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:30am - 1:30pm
Tuesday 9:30am - 1:30pm
Wednesday 9:30am - 1:30pm
Thursday 9:30am - 1:30pm
Friday 9:30am - 1:30pm
Saturday Closed
Sunday Closed

Lobby Hours

Monday 7:00am - 6:00pm
Tuesday 7:00am - 6:00pm
Wednesday 7:00am - 6:00pm
Thursday 7:00am - 6:00pm
Friday 7:00am - 6:00pm
Saturday 9:00am - 12:00pm
Sunday Closed

Last Collection Times

Monday 3:00pm
Tuesday 3:00am
Wednesday 3:00pm
Thursday 3:00pm
Friday 3:00pm
Saturday 11:30am
Sunday Closed