Copyright © 1999-2009. All rights reserved.	FAQ's Still Under Construction 1. How do I contact the Brown County Sheriff's Office? Address: 22 SE Court Street, Aberdeen, SD 57401. Phone: (605) 626-7100 Fax: (605) 626-4015 2. How do I contact the Brown County Detention Center? Address:  22 SE Court Street, Aberdeen, SD 57401 Phone: (605) 626-7100 Fax: (605) 626-4015 3. What hours is the Sheriff's Office open? Monday - Friday 8:00 AM to 5:00 PM Closed on Legal Holidays