Unknown caller.  Left no message.

I have just gotten 6 phone calls from this number in 15 minutes!  who are they? What do they want? No messages left.

This phone number called me before 5 minutes, I miss 1, the second 1 I was answer. Is a lady, she asked my name and told me her name, andthen she talks not very clear, so I asked her "can you say again?" , then!  she cut off the phone.
who is she?  and why she knows my name? No messages left.

Hangups Hangups Hangups 2 what purpose? ?  redialers? bouncers? how do u stop them or block a number??

--Anyone? Please Post!!!!!!!

Tracked to Phoenix Arizona unpublished landline at latitude 33.456 n longitude -111.859 one method but Scottsdale Az by another!!!!!!!