Mio Post Office

213 S Morenci Ave, Mio, MI 48647

Contact Numbers

Phone: 989-826-5531
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
PO Box Access Available

Monday 6:30am - 7:00pm
Tuesday 6:30am - 7:00pm
Wednesday 6:30am - 7:00pm
Thursday 6:30am - 7:00pm
Friday 6:30am - 7:00pm
Saturday 6:30am - 7:00pm
Sunday Closed

Last Collection Times

Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 2:00pm
Sunday Closed

Passport Appointment Hours*

Monday 9:00am - 3:30pm
Tuesday 9:00am - 3:30pm
Wednesday 9:00am - 3:30pm
Thursday 9:00am - 3:30pm
Friday 9:00am - 3:30pm
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. 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

*An appointment is required to apply for or renew US Passports. Please Call or schedule online.

Bulk Mail Acceptance Hours

Monday 9:00am - 3:00pm
Tuesday 9:00am - 3:00pm
Wednesday 9:00am - 3:00pm
Thursday 9:00am - 3:00pm
Friday 9:00am - 3:00pm
Saturday Closed
Sunday Closed

  • 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
  • Passport Appointment Hours

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:

1531 N Abbe Rd
4.4 miles away

2289 Royce Ave
5.8 miles away

4240 N Abbe Rd
6.9 miles away

Rose City
130 George Smith Jr St
9.2 miles away


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I have a package that UPS says that You received this package Feb.27 . The Tracking ID: is 1Z8378EVYW00020567. I have had NO slip in my mail box and I've tried to call the Post Office and it hangs up on me after 2 rings! This is NOT the first time this has happened to me or members of my family with packages! I have paid for this package and my Post Office is NOT doing it's job. PLEASE get back to me ASAP. Thank You, Judy Bridge P.O. Box 623, 180 Seaton Drive, Mio. Michigan 48647.


I try to contact my local PO Office by phone and the line is always busy and then it hangs up on You. Local PO : Mio, Michigan. My husband had cancer surgery down state in Ann Arbor , MI. we stopped our mail on Feb. 18. I had a package coming thru UPS and I called them and they said: Your Package was left at Mio, MI., PO. Can You help me?

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