Post Offices
Post Offices in & near East Delavan, Wisconsin. Operating hours, locations, phone/fax number, services information.
Williams Bay Post Office
Post Office in Williams Bay, Wisconsin on N Walworth Ave. Operating hours, phone number, services information, and other locations.
Address: 129 N Walworth Ave, Williams Bay, WI 53191
Phone: 262-245-5183
Fax: 262-245-1087
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:30am - 11:30am, 12:30pm - 4:30pmTuesday 8:30am - 11:30am, 12:30pm - 4:30pm
Wednesday 8:30am - 11:30am, 12:30pm - 4:30pm
Thursday 8:30am - 11:30am, 12:30pm - 4:30pm
Friday 8:30am - 11:30am, 12:30pm - 4:30pm
Saturday 10:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 4:30pmTuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 12:00pm
Sunday Closed
Last Collection Times
Monday 8:30am - 11:00am, 12:30pm - 2:30pmTuesday 8:30am - 11:00am, 12:30pm - 2:30pm
Wednesday 8:30am - 11:00am, 12:30pm - 2:30pm
Thursday 8:30am - 11:00am, 12:30pm - 2:30pm
Friday 8:30am - 11:00am, 12:30pm - 2:30pm
Saturday Closed
Sunday Closed