Verizon scooped up the wireless real estate located in California, Georgia, Ohio and Tennessee to improve service and cut costs.
The former Dobson networks are adjacent to Verizon networks, which means many Verizon customers had been placing calls that used Dobson networks when they roamed into Dobson territory. Each time this happened, Verizon had to pay a roaming fee to Dobson. Talking on the network of another carrier can result in additional charges for wireless users as well.
The companies are still negotiating final details for the sale of a fifth territory in Arizona expected to close later this month. Dobson owns a 75 percent stake in the area, which contains 200,000 potential customers.