Many wireless carriers offer a free or discounted phone when you switch and trade in your old phone. You can check our cell phone buying guide ... support in person, one of the three larger ...

The company offered service under the Cellular One brand in most regions. Although originally a TDMA carrier in most areas, the company migrated to GSM technology.

The company offered service in 19 western states under the "Cellular One" brand name, a name the company also licensed to wireless service providers in 16 additional states and the Caribbean.