guv presented the following explanation :
> On Wed, 21 Feb 2007 16:50:17 GMT, "{{{{{Welcome}}}}}"
> <bhx___spam@trapped___hotmail.co.uk> wrote:
>
>> guv wrote:
>>> A couple of days ago, missus had a missed call on her mobile, which
>>> left caller ID and she called it back. It rang for a while, then
>>> connected to an answerphone.
>>>
>>> Yesterday, I had the same. Both our numbers are very similar (only
>>> last 4 digits are different) - though one is O2 the other T-Mobile.
>>>
>>> It would appear the number is not included in the free minute bundle
>>> and chargeable. O2 said it was a premium rate number - so I assume
>>> this is some arsehole scam to get you to ring a premium rate number
>>> for no reason whatsoever - and effectively pay them for the
>>> priviledge!
>>
>> 070 numbers are personal / find me anywhere numbers.
>
> OK - cheers for that! Must have been a strange coincidence1

No, definitely a scam.

Company A provides company B with an 070XX number.

Company B calls you & presents their 070XX number & hang up before you
can answer. Curiosity causes you to call the number back - a casual
glance at the number makes you think it's a mobile number.

Company A owns company B, so the scammers make a profit on the 37ppm
call charge.

They use this convoluted setup as the user of the 070XX number (Company
is not allowed to share revenue