Who called from 6072501441

Two calls from this number no voicemail.

no message left,,,,,,whats the sense of the call???

2 calls within 3 hours on Thursday 7/1/2017. No messages left

Called my DNC registered cell. I don't pick up calls to my cell unless the number is in contacts. No voicemail.
I used *67 to call back. "Press 9 to be put on the do not call list." No name or company.
BLOCKED!

No Message. Bums.