Bonnerdale, Arkansas  Bonnerdale is an unincorporated community in Hot Spring County, Arkansas, United States. Bonnerdale is located on U.S. Route 70 in far western Hot Spring County, east-northeast of Glenwood. Bonnerdale has a post office with ZIP code 71933. Public education for elementary and secondary school students is provided by the Lake Hamilton Public Schools and Centerpoint Public Schools, which leads to graduation from Lake Hamilton High School or Centerpoint High School.