Passport Application Services - Sunbury 267 W Granville St Sunbury, OH 43074 Phone : (740) 965-2471 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Post Office - Sunbury 267 W Granville St Sunbury, OH 43074 Phone : (740) 965-2471 Post Office - Sunbury Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Toll-Free           (800) ASK-USPS