Nassau County Sheriffs Headquarters 76001 Bobby Moore Cir Yulee, FL 32097 Phone : (904) 879-3853 Business Category Sheriff Nassau County Of--sheriffs Department, Bryceville/jacksonville, Callahan Callahan, FL 32011 Phone : (904) 879-3853 Business Category Government Offices-County Sheriff Government Offices & Public Schools Nassau County Of--sheriffs Department, Dispatch, Callahan Callahan, FL 32011 Phone : (904) 879-3853 Business Category Government Offices-County Sheriff Government Offices & Public Schools Callahan City Of--police Department Callahan, FL 32011 Phone : (904) 879-3853 Business Category Government Offices-City Village & Twp Police Departments Government Offices State & Local Government Offices & Public Schools