Mercer Post Office

5245n Lakeview Ave, Mercer, WI 54547

Contact Numbers

Phone: 715-476-0270
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 3:30pm
Tuesday 3:30pm
Wednesday 3:30pm
Thursday 3:30pm
Friday 3:30pm
Saturday 10:30am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:30am - 1:00pm, 2:30pm - 3:00pm
Tuesday 9:30am - 1:00pm, 2:30pm - 3:00pm
Wednesday 9:30am - 1:00pm, 2:30pm - 3:00pm
Thursday 9:30am - 1:00pm, 2:30pm - 3:00pm
Friday 9:30am - 1:00pm, 2:30pm - 3:00pm
Saturday Closed
Sunday Closed

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

  • Bulk Mail Acceptance
  • Burial Flags
  • Business Line
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Sure Money
  • Street 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:

Manitowish Waters
5971 County Rd W
7.2 miles away

Lac Du Flambeau
614 Peace Pipe Rd
10.4 miles away

100 E Ayer St
12.4 miles away

417 Silver St
12.4 miles away


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This mid-morning, I visited the post office here in Mercer with my grandson to buy a stamp so that he could send a card to his parents back home in Georgia. The lady postal worker was very sweet and the kindness was appreciated and worth telling about.

* is not a part of, or affiliated with, the official United States Postal Service (USPS).