Who called from 2124807210

This was bizarre.  I just got a call from 212-480-7210 on my home/business line which I answered after two rings (hung up).  About twenty seconds later, I got a call from the same number on my cell (which has a different exchange).  Again, two rings, answer, hung up!

Just number on phone, no message left to let me kmow who it was. I have no idea who called and how they got this number.

Same thing as Carol only the caller called twice.  When I called back I got a voice mail message from Verizon instructing to enter the mailbox number to leave a message.

Called and left not message

Same here... no message