Major phone companies will no longer be liable if they block some calls you actually wanted to get. This maddening map shows everywhere T-Mobile and Sprint will dominate post-merger Here's what ...

Look at some companies that have a monopolistic place in the marketplace and decide whether it's a good idea to invest in them. The list is populated with some big names.

T-Mobile and AT&T If you want to buy cell phone service directly from one of the big three wireless companies — Verizon, T-Mobile or AT&T — try one of their prepaid plans to save over a single ...

Tired of paying a small fortune for your phone plan? This is the way to get a better deal from your current provider—or ...