1. Sound of Tri-State
280 N Dupont Hwy, Dover, DE 19901
Coordinate: 39.17052,-75.51924
Phone: (302) 736-1206
2. Voicestar Cellular & Paging
140 N Dupont Hwy, Dover, DE 19901
Coordinate: 39.16708,-75.51727
Phone: (302) 736-1888
3. Redi-Call Communications Co
2230 N Dupont Hwy, Dover, DE 19901
Coordinate: 39.19425,-75.54737
Phone: (302) 678-3900