If in doubt, copy and paste a suspicious number into google
(in this case, the first character was a capital O, which I corrected to a zero)
http://www.telepest.co.uk/02882440400
Which lists it as a loans company.
It could be a low-level scam where you ring them to enquire what's gone wrong and they charge you at premium rates, or they 'phish' for your house address and other details (ask them to tell -you- what address is on the loan and what bank account the money went to: do not volunteer this information to them).
It could be a more serious scam whereby someone has used your phone number and name to apply for a loan, paid into an account they have access to. This is the more unpleasant option because it would have to be a relative, friend or acquaintance. :-(