United States Government--us Postal Service, Post Offices, Gantt 29328 U S 29 Gantt, AL 36038 Phone : (334) 388-4659 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Gantt 29328 Us Highway 29 N Gantt, AL 36038 Phone : (334) 388-4659 Business Category Post Offices Toll-Free           (800) ASK-USPS