Grass Lake Post Office

221 E Michigan Ave, Grass Lake, MI 49240

Contact Numbers

Phone: 517-522-5139
Fax: 517-522-3343
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 Closed

Last Collection Times

Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 11:30am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:00am - 12:00pm, 1:00pm - 2:00pm
Tuesday 9:00am - 12:00pm, 1:00pm - 2:00pm
Wednesday 9:00am - 12:00pm, 1:00pm - 2:00pm
Thursday 9:00am - 12:00pm, 1:00pm - 2:00pm
Friday 9:00am - 12:00pm, 1:00pm - 2:00pm
Saturday Closed
Sunday Closed

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

  • 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)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lobby has Copier
  • 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:

Napoleon
125 Austin Rd
3.9 miles away

Norvell
105 E Commercial St
3.9 miles away

Michigan Center
122 Broad St
4.7 miles away

Munith
100 W 6th St
5.8 miles away

Reviews

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carrier personsaid he left item but did he took it home for himself I am calling sheriff this am or fbi he left me note says he could not deliver
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My postal delivery person recently left a boxed delivery outside of my garage in the rain unprotected. Today, I was home when the mail was delivered and found a sorry we missed you in my mailbox with a postage due notice. My front door was open and no one came to the door to deliver this. Terrible customer service.
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