I didnt use my hobby phone for an extended period, it expired and number was lost. When i got a new phone and new number, i just called a couple k girl bookers that i had used a lot and explained the situation, that I had to change my number, I gave them the old number and they were able to look it up and confirm it. My new number was then good to go. Things may be different now though. This won't work if you can't get through at all with your new number.