5555 Oak St Onondaga, MI 49264
Phone: 517-628-2232
| Post Office Lobby Hours | |
|---|---|
| Monday | 7:00am - 6:00pm |
| Tuesday | 7:00am - 6:00pm |
| Wednesday | 7:00am - 6:00pm |
| Thursday | 7:00am - 6:00pm |
| Friday | 7:00am - 6:00pm |
| Saturday | 7:00am - 6:00pm |
| Sunday | 7:00am - 6:00pm |
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Onondaga Post Office is a United States Postal Service (USPS) facility in Onondaga, MI. This post office offers a full array of services, including package delivery and first class mail.
Mailboxes in Onondaga