Not in Parker....AT&T/Cingular is the best I have had for the places I go...It all depends where you spend your time.
Actually what matters is where the nearest Cell site is located and if the local Cellular company is doing there best to block other carriers signals (Citizens Mohave) But if you call Verizon first... they will gladly tell what there coverage is in that area or the areas you frequent and not sell you a phone that will not work, like the other companies mentioned.