United States Postal Service

Post Office

(800) 275-8777

23125 Greater Mack Ave Saint Clair Shores, MI 48080

tools.usps.com

Today: 8:00 AM to 8:00 PM

Visit your local Post Office at 23125 Greater Mack Ave to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office boxes, passports, gift cards, and more

USPS is hiring! See openings for top jobs.

Hours of Operation

Mon 8:00 AM to 8:00 PM
Tue 8:00 AM to 8:00 PM
Wed 8:00 AM to 8:00 PM
Thu 8:00 AM to 8:00 PM
Fri 8:00 AM to 8:00 PM
Sat 9:30 AM to 3:00 PM
Sun Closed

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