hi ,Does anyone know how to fix Verizon iphone 6 call failed problem.

Hi GoldenLimo,

I apologize, I'm a bit unclear on the exact nature of the issue you are describing. If you are having issues making or receiving calls from your iPhone, you may find the troubleshooting steps outlined in the following article helpful:

If you can't make or receive calls on your iPhone - Apple Support

Regards,

- Brenden