Grand Blanc Post Office

Post office

11426 Davis Street, Grand Blanc, MI 48439

Please call for an appointment at (810) 694-4241. Hours are M-F 9:30am to 3:30pm/Sat 9am to 1pm.

Appointment required

Hours and addresses come from the State Department listing, updated November 2, 2026.

Book at USPS Directions Facilities in Grand Blanc Facilities in Michigan

Grand Blanc Post Office accepts new U.S. passport applications in person in Grand Blanc, MI. First-time and child visits are booked on the USPS scheduler. Search ZIP 48439. How to apply · How to renew