Let me tell you all this. I have Verizon. I found an $11.00 charge on my bill for a call to Canada from one of my lines that has international called block. So how did the call get on one of my verizon wireless lines if the line is NOT allowed to call international? Who has been hacked?
The easiest was to close Safari and hold down the shift key and reopen Safari with the shift key down and that took care of my problem. The other way is the way Badge 714's answer and help! really great!