Jefferson County will have five Service Centers open throughout the county beginning Monday, July 19, where voters can get a replacement ballot, declare a party affiliation and drop off voted mail ballots. Service Centers are open Monday through Friday, 7:30 a.m. to 5:30 p.m.; and also on Saturday, August 7 from 10 a.m. to 2 p.m., and Election Day, August 10, from 7 a.m. to 7 p.m.