Related Clues:
- A Verizon predecessor
- Sprint alternative
- Pioneer cell phone co.
- Telecom giant
- Verizon competitor
- Long distance letters
- Call letters?
- 1101, Roman-style
- Old inits. in telecommunications
- Baby Bell competitor
- Verizon forerunner
- Long-distance inits.
- Co. in a 2000 telecommunications merger
- Co. to keep you connected
- ___ WorldCom