I received a call once on 6/3/10 and again on 6/4/10 but didn't answer either time and there was no message left.

I received 4 calls from this number on my business cell.  1 call on June 3 2010 and 3 calls on June 4, 2010.  I tried calling the number back with a blocked ID and the "number is invalid".

I received a call from this number twice once today on 6/4/2010 and on 6/3/2010.  I didn't answer the first time.  Today I did and there was noone there. The call ended. There was no message left.

I received a call from this number.  I female asked for me by my last name.  Then she starting talking and the call ended quickly.