Avery Hall Insurance Group Insurance Visit Website Request Info 200 Broadkill Rd. Suite 3 Milton, DE 19968 (302) 684-3413 LinkedIn Facebook Instagram About Map About Avery Hall Insurance Group has served the insurance needs of individuals, families, and businesses of all sizes throughout the Mid-Atlantic since 1925. Avery Hall has five locations on Delmarva. What's Nearby? Distance: 5 10 15 20 25 50 mi.