Scammers often spoof the Caller ID so people are more likely to answer which is what happened in your situation.
Other
Recent comments:
1
Apr 15, 2017
Robocall, "This is Rachel at Card Holder services, blah blah blah" The usual scam.
But the worst part is that the caller ID says "Medstar Montgomery". That's my local medical clinic, so of course I answered the call!
Telemarketer
2
Apr 15, 2017
Scammers often spoof the Caller ID so people are more likely to answer which is what happened in your situation.