Williams Bay Post Office

129 N Walworth Ave, Williams Bay, WI 53191

Contact Numbers

Phone: 262-245-5183
Fax: 262-245-1087
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

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

Last Collection Times

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 12:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 8:30am - 11:00am, 12:30pm - 2:30pm
Tuesday 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

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Fontana
185 Third Ave
1.9 miles away

Walworth
206 N Main St
3.0 miles away

Zenda
W3724 Franklin Walsh St
3.5 miles away

Elkhorn
102 E Walworth St
3.7 miles away

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