Also, for all the New Yorkers, the City of New York has published the results of its own Mobile Phone Deadspot Survey. Like DeadCellZones.com, this is by no means a scientific survey, but still worth checking out if you’re thinking of making the move to a new carrier. Note that Cingular seems to do better in the survey than most other carriers, but that is almost certainly because they have fewer subscribers here than everyone else. They share a network with T-Mobile, so you can probably estimate your Cingular coverage more reliably by checking out the restults for T-Mobile.