Business Directory TDS Telecom Share: Telecommunications TDS Telecom Visit Website Request Info 525 Junction Rd Madison, WI 53717 (608) 664-9524 About Map About TDS is a local telecommunications company based out of Madison, WI. At TDS, we bring fiber-optic technology to your neighborhood and home. Just imagine--lightning-fast Internet speeds up to 1Gbps! What's Nearby? Distance: 5 10 15 20 25 50 mi.