What cellular company do you have your phone through? Also pro's and cons.

[AngelCake]

I'm thinking of switching cell phone carriers, i currently have AT&T, and they are just too expensive, and i don't get a wide range of service.
So can you guys tell me about some other cell phone companies?

[liamwli]

I'm thinking of switching cell phone carriers, i currently have AT&T, and they are just too expensive, and i don't get a wide range of service.
So can you guys tell me about some other cell phone companies?

I'm in the UK and am on giffgaff and I love it!