The bi-annual study, in its fifth year, which measures wireless call quality based on seven customer-reported problem areas, gave Verizon Wireless highest ranking in four of the six U.S. regions. U.S. Cellular also ranks highest in the North Central region, while AT&T ranks highest for the first time in the Southwest area.
Verizon Wireless took top honors in the Northeast, Mid Atlantic, and Western regions and tied with Alltel in the Southeast.
--Karl Greenberg
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