Locations & Hours On Line Catalog Reserve a Book Reference Department and Electronic Resources (DISCUS) to the Sumter County Library Circulation Desk Our headquarters are located at: 111 North Harvin Street Sumter, SC 29150 803.773.7273 (voice) / 803.773.4875 (fax) Internet Usage Children's Services Bookmobile Events @ The Library Holiday Information Library Board of Trustees Friends of the ...