Mackinaw Post Office

110 S Main St, Mackinaw, IL 61755

Contact Numbers

Phone: 309-359-6431
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 11:00am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:00am - 11:30am, 12:30pm - 4:30pm
Tuesday 9:00am - 11:30am, 12:30pm - 4:30pm
Wednesday 9:00am - 11:30am, 12:30pm - 4:30pm
Thursday 9:00am - 11:30am, 12:30pm - 4:30pm
Friday 9:00am - 11:30am, 12:30pm - 4:30pm
Saturday 9:00am - 11:00am
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)
  • Packaged Stamps
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • 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:

Deer Creek
104 E 1st Ave
3.8 miles away

Minier
219 W Chicago St
4.5 miles away

Goodfield
208 E Peoria St
5.0 miles away

Hopedale
118 SE Main St
5.1 miles away

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