Asked for my email, didn't get it.

Had a call from what sounded like a call centre in India.  They knew my full name, claimed they were not selling anything but wanted to offer me something.  I asked where they got my details from and they informed me that my details came from a marketing agency, but could not give me the name.  I asked them to remove my details, they said they would (of course, they won't).  

Would love to know how they got hold of them, I am very careful with my mobile number.  I am wondering whether it is O2, since when I joined them I setup an email address *only for them* and have recently started getting spam to that address.  Anybody else received a call from these guys who are also with O2?

anytbody know this number? +0280701612

I have had 3 calls to my mobile yesterday & today.No messages left.Number isn't Irish as it has too many digits after the code 028 should only be 5 numbers

2 calls from them today, answered 1 an they hung up so blocked 2nd call

had 2 calls from this numberdidnt answer either and no message left - any ideas anyone?

I wanna know how this company had all my details??? It's from a scamming company!