Birchwood Mall Post Office

4350 24th Ave Ste 324, Fort Gratiot, MI 48059

Contact Numbers

Phone: 810-385-7918
Fax: 810-385-7642
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Lobby Hours
PO Box Access Available

Monday 7:00am - 9:00pm
Tuesday 7:00am - 9:00pm
Wednesday 7:00am - 9:00pm
Thursday 7:00am - 9:00pm
Friday 7:00am - 9:00pm
Saturday 7:00am - 9:00pm
Sunday 10:00am - 5:30pm

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 2:00pm
Sunday Closed

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

  • Business Line
  • 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:

Port Huron
852 32nd St
2.6 miles away

North Street
5201 North Rd
3.1 miles away

1238 Michigan Ave
5.1 miles away

8511 Wildcat Rd
7.0 miles away


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Fort Gratiot branch of U.S. Post Office Always polite - always helpful

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