1. Custer Telephone Co-op Inc PO Box 324, Challis, ID 83226 Coordinate: 44.49691,-114.19463 Phone: (208) 879-2281
2. Custer Telephone Trouble Rpr 1101 N Main Ave, Challis, ID 83226 Coordinate: 44.49691,-114.19463 Phone: (208) 879-4045