In an emergency, dial 911 from anywhere in the County. For non-emergency calls, dial (512) 943-1389. The main number for the Sheriff's Office is (512) 943-1300. Normal business hours are Monday through Friday, 8:00 a.m. to 5:00 p.m. However, there is someone available to answer your questions 24-hours a day, 7 days a week.