Lansing, MI — To ensure the safety of both postal customers and employees, the Mason Post Office, 144 W Ash St; Mason, MI 48854, is temporarily closed due to structural issues. No timetable has yet been established for the resumption of retail services. There is no change to business or residential delivery in Mason, MI.

Postal operations have been temporarily moved to the Lansing Post Office, 4800 Collins Rd., Lansing, MI 48924. Mason Post Office Box holders and customers with a package pick up notice and accountable mail requiring a signature can pick up their mail at the Lansing Post Office with proper identification.

Lansing Post Office - P.O. Box Holder Pick-up Hours
4800 Collins Rd
Lansing, MI 48924
Monday – Friday 8:30 am – 5:30 pm
Saturday 9:00 am – 12:00 pm
Sunday Closed

The Mason Post Office will remain closed until repairs are made and the building can be safely occupied.

USPS appreciates the public’s understanding and patience and apologizes for any inconvenience this situation may have caused.

Information about alternate retail services and postal products can be found online at www.usps.com .

Customers with questions or comments about their mail service can call toll-free 1-800-ASK-USPS (1-800-275-8777).

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