1. Uunet
625 Cherry St, Columbia, MO 65201
Coordinate: 38.95082,-92.33012
Phone: (573) 886-9853
2. Prime Link Communications
1000 W Nifong Blvd. Bldg 3, Columbia, MO 65203
Coordinate: 38.90866,-92.35403
Phone: (573) 443-1011
3. MCI Telecommunications Corp
2100 E Broadway Ste 110, Columbia, MO 65201
Coordinate: 38.94787,-92.30761
Phone: (573) 442-1880