Well I am in an area that is merging but moving to one that is not. Albany GA. I made the move to verizon already. And love it!

In Pittsburg, Alltel roams. There is no native service there. Verizon would be your best choice.

Your Alltel phone will work fine in Pittsburgh, but you'll be in "Extended Area" 100% of the time. Of course, you'll get to keep your OH number in PA, which will be helpful to to the folks back home who might want to call you from a landline, should that be important to you. When I moved to Charlottesville, VA, an Alltel market, from the DC area, a Verizon market, in November, 2004, I had Verizon and kept it for two years. It worked fine down here, but I couldn't access the native Verizon features being in the EA mode. Also, too many people wanted to be able to reach me from the local landlines here without a long distance charge, so I switched over to Alltel. Well, Verizon WILL be here shortly, so it's back to the future for me. If Al...
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It's really up to you. If you would like to have all the features with Verizon, switch. We have some awesome phones, features as in V Cast Video and Music. You can pick 5 numbers to call for free like alltels my Circle also.

Well you could always wait and see who buys this area? We will probably know in the next couple of months. I live in Castalia and 2 out of my 3 lines are out of contract. I am going to wait and see who buys us out before switching.