855-327-8336

This number shows up twice on list of calls received on the 19th of this month, and it shows  it was received and the conversation lasted 10 minutes 6 seconds?   Yet is not showing/registered in my handheld phone..  Did not TALK to anyone from this number for those minutes.  ID shows as a toll free number from where?  This is worrisome..   What is going on?  
Tonight found a message from a Dough Martin about credit card management, he had a slightly threatening tone when he said that I did not call him back after he left the message?  Which?  Where?  When? The number showing for that call was (909) 340-2137, but, he asked I call him at the above (855) one..    Is he confused or a predator?   Help!!

Just noticed a JTN on top of the (909) 340-2137 and asked for return call at # the (855) above.  In the message he said he was calling for a " well established Non-Profit organization" did not mention which..  From a Toll Free number?..  Then proceeded to talk about credit card debt??   I have zero.  Help!