Who called from 7737292945

Received a call on 03/15/2016 at 8:00 PM.  Did not leave voice mail.  Caller ID shows, "V3152100113841241746."

They just called me. I answered. They just hung up.

Rang ...did not answer ... Left no message

Just received a call from this number. An oriental girl said she represented some heating company, they were doing a special and would inspect and clean my furnace and ducts for $29. I hung up.

This number is harassing me with unwanted calls. They have racked my phone bill with at least $50 a month. Call me on a daily basis and will not stop. Please help.