Who called from 7818728037

Received several calls from this number now but have received from 781-872-8051 before, have not answered because I don't know the number and there was no message left.  Seems this is a scam.  Also I believe that the 781-872-8XXX is tainted, not answering calls from that range now

The caller ID read "Unassigned."  Tells me all I need to know about the origin of this call.  Immediately blocked it without answering.

Alleging I stayed at one of their resorts (didn't specify who they are or where) and trying to sell a package deal

This was a call from a survey company! They call and do not leave a message. Location: Reading