Post Office - Owensboro 54 Bon Harbor Hls Owensboro, KY 42301 Phone : (270) 689-1838 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (270) 686-8895 Passport Application Services - Owensboro 54 Bon Harbor Hls Owensboro, KY 42301 Phone : (270) 689-1838 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (270) 686-8895