Customer service is most important in any business. Most of the time, if I can solve the problem over the phone, I would not want to drive 10-15 miles away. However, personal service is so much faster than talking over the phone.
I received an unreasonable phone bill awhile ago. I called and did not get a solution, so I drove to this shop. Having talked with the lady, she at once understand. Then she relayed to her manager and the problem solved,
I then told my friend who had similar problem, he went there and solved the problem with no delay.
I am a very busy person, yet I wanted to take time to write his supervisor a letter to thank them for their help. If you have problem with your phone bills. go there to see what they can help you. Good luck!