Graham Nye writes:

On 30/03/2012 21:17, Adam H. Kerman wrote:

Right. Callers from outside your country sure appreciate that
caller pays surcharge on top of the charge for international long distance,
as it's not readily apparent to foreigners that caller pays applies.

Anyone dialling from outside the UK can spot a UK mobile number as
it will start +44 7... (where + is 011 for NANP countries).

Almost always true, there is a nasty group of numbers in this range that
look like mobile numbers, this is +44 70xxx (070xxx) range which are
charged at far higher rates than mobiles and are not included in bundled
minutes. They are called Personal Numbers and no doubt catch a lot of
people out.

Phil