How much does it cost to call an 0333 number on O2?

Before making any phone calls from a mobile phone, it is important to be clear about how much it is going to cost. Not all telephone numbers cost the same to call, and many are now free on certain mobile phone tariffs, at least within a prescribed limit. Phone numbers that begin with 03 were … Continue reading How much does it cost to call an 0333 number on O2?