Merrimac Post Office

110 School St, Merrimac, WI 53561

Contact Numbers

Phone: 608-493-2323
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
PO Box Access Available

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 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 4:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:00am - 10:30am, 12:00pm - 2:00pm
Tuesday 9:00am - 10:30am, 12:00pm - 2:00pm
Wednesday 9:00am - 10:30am, 12:00pm - 2:00pm
Thursday 9:00am - 10:30am, 12:00pm - 2:00pm
Friday 9:00am - 10:30am, 12:00pm - 2:00pm
Saturday Closed
Sunday Closed

  • Visit our Passport FAQ page for a complete overview of what to bring, what you need to know, and how long it will take.
  • You will need two forms of Identification with copies.
  • A passport quality photo. Photo service available at location.
  • The appropriate application form printed and filled out, and the required fee for applying or renewing.
  • You can find up to date costs, information, and forms at the State Departments Travel Site

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • 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)
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lobby has Copier
  • 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:

113 1st St
4.5 miles away

Prairie Du Sac
285 Washington St
5.2 miles away

Sauk City
739 Water St
5.6 miles away

303 Broadway St
6.2 miles away


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Error in Last Collection Times for Saturday: It is 11am, not 4pm.


The last collection time on Saturday, is 4:00 pm for the outside drop box. This is collected by the transport driver, who picks up all the mail at the end of the day.
• Replied to denim

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