A little secret tip for you...We put our GV#'s on our VZW Freinds&F@milyPlan, so those calls are now INCLUDED@ N/C. Shhhh plz!
Check your usage, I am sure this is not the case. I have been using GV with VZW Friends and Family for 2 years on my WinMo phone. Now that I switched over and started using the GV app on my Incredible, the app seems to use random access numbers that are not in my F&F list. This means I am now making calls to non-VZW numbers and am getting charged the minutes for them. This has drastically changed my bill. Calling VZW today to adjust before the big penalties come. I'd recommend you check your account ASAP.