Fake caller ID - telemarketer selling advertising.  Hang up and block their number.

FAKE FACEBOOK ADVERTISING SCAM
ILLEGAL ROBO-CALL Report them to: https://complaints.donotcall.gov/complaint/complaintcheck.aspx

Called our office, The receptionist thought it was a business call and passed message to me to call back.  I Googled number and saw this,  So I didn't bother calling back.