United States Government Canaan, IN 47224 Phone : (812) 839-4600 Business Category Government Offices-Federal Government Offices & Public Schools United States Government--post Office 8842 N Canaan Main St Madison, IN 47250 Phone : (812) 839-4600 Business Category Post Offices Government Offices & Public Schools United States Government--post Offices, Canaan Canaan, IN 47224 Phone : (812) 839-4600 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Canaan 8842 N Main St Canaan, IN 47224 Phone : (812) 839-4600 Business Category Post Offices Toll-Free           (800) ASK-USPS