There are a few reasons. First, I work in Downtown LA and ATT service is horrid. While at work or around the buildings I miss 15-20 calls/day. Also, where I live, everyone has Verizon and when their voice and data is significantly better than what I have.
Secondly, Im moving to the Washington Square of New York next year and I hear the same thing, that Verizon supersedes ATT.
Thirdly, the Verizon LTE is way better than that of what ATT offers in a limited capacity.
The biggest reason, work will pay for my phone on Verizon. 😀
Why are you switching?