Us Government--post Office Department Of, Kiowa Ks 602 Main St Kiowa, KS 67070 Phone : (620) 825-4644 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Kiowa 602 Main St Kiowa, KS 67070 Phone : (620) 825-4644 Business Category Post Offices Toll-Free           (800) ASK-USPS