Post Offices

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

Ontar Post Office

Post Office in Ontario, Wisconsin on Main St. Operating hours, phone number, services information, and other locations.

Address: 321 Main St, Ontario, WI 54651
Phone: 608-337-4722
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 1:00pm
Tuesday 9:00am - 1:00pm
Wednesday 9:00am - 1:00pm
Thursday 9:00am - 1:00pm
Friday 9:00am - 1:00pm
Saturday 8:30am - 9:00am
Sunday Closed

Lobby Hours

Monday 1:00pm
Tuesday 1:00pm
Wednesday 1:00pm
Thursday 1:00pm
Friday 1:00pm
Saturday 9:15am
Sunday Closed

Last Collection Times

Monday 9:00am - 1:00pm
Tuesday 9:00am - 1:00pm
Wednesday 9:00am - 1:00pm
Thursday 9:00am - 1:00pm
Friday 9:00am - 1:00pm
Saturday 8:30am - 9:15am
Sunday Closed