How Do you switch service on a motorola razor

I need some help!!! I am completely new when it comes to this cell phone stuff. I have a Motorola Razor, I think it is the original one. I had Cingular service on this phone, but I recently moved and the area that I moved to in SouthWest Virginia, Cingular does not work. I am not wanting to buy another phone, and I was wandering is there anyway to change my phone from Cingular to Verizon, or Alltel. Verizon is my first choice, but Alltel will work because they both work in my area. Can anyone please help me??? I would greatly appreciate it.

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Call the new provider and have your phone number ported from cingular.
If your account is not in good standing with cingular, you may have a problem.

That is fine, but I don't want my old number, I am just wanting to use my phone but the service provider will not switch the phone. I need to know how to program my phone from cingular to alltel.

If cingular wont release the phone, you may be out of luck.

Someone told me today, that I need to find a FLASH for my phone that will switch it to Alltel, has anyone heard of this? Or where I can find this?