Who called from 3101344514003

Called home phone and left text message reading "goodbye". Called hours later and put phone down when I answered.

same here, 3101344514003 called this evening... weird number

3101344514003 called this evening.  When answered there was just a text message of 'goodbye'

Same here.  Netherlands phone extension.  Trying to track them down

Foreign (sounded Asian) male caller telling me I was owed a refund fro my bank. Definitely dodgy.