a miss Called from...from...!

I received a miss called number 675543x on 19/32009 8.44PM. I was busy on working, and I put my phone in silent mode. After I finished my work then I check out my phone, and I call back. Wish to know who looking for me. Then I get know it was PIZZA hut call to me? But I did not make any order from them. =.="