HSBC Bank Credit Card — Getting SMSes for non existent Card

I had applied for an HSBC credit card almost a year back and they tried to deliver the credit card on two occasions to my office address. But since I was not available at my office it was returned. This was informed to me by a Tele banking representative. After that they never got in touch with me and I also have forgot about the entire episode. Almost aftre some 6 to 8 months later i started getting calls from HSBC personal loan division saying that they would like to give me personal loans based on my HSBC credit card.I turned down the offer saying Iam not holding any cards from HSBC. Later i got an SMS saying its my HSBC credit card statement(luckily the it was a 0 balance statement). On getting this SMS statement I tried to contact HSBC phone banking centre, but they said they are unable to help me as i did not have a card number. I asked them to search for any information with my name, but this request was turned down. I again got another SMS last week with 0 balance. Though both times it was 0 balance, Iam not at all comfortable getting statements in my name for a nnon existent card. And if they can send statements for non existent card, i fear they might send me non zero balance statements also in future. I wanted to know why this is happening even after their representative informing me at the first place that the card is being returned to the bank.