Post Offices in & near Saint Marys, Ohio. Operating hours, locations, phone/fax number, services information.
Post Office in Saint Marys, Ohio on N Chestnut St. Operating hours, phone number, services information, and other locations.
Address: 120 N Chestnut St, Saint Marys, OH 45885
Phone: 419-394-4155
Fax: 419-394-0755
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
