I got a call from this number and have been getting several other random calls. I haven't answered and don't plan to since they aren't leaving voice mails.

I recieved a call from this number on my cell phone and he ask for my wife by her first name and while I was taking the phone to my wife he just hung up.  He stated he was from the Postal Service, which was weird because my wife and I had been talking about the Postal Service for the last 10 minutes.  When I called back it went straight to hold and music was playing.  I hung up after 15 minutes.

I recieved a call from this number on my cell phone and he ask for my wife by her first name and while I was taking the phone to my wife he just hung up.  He stated he was from the Postal Service, which was weird because my wife and I had been talking about the Postal Service for the last 10 minutes.  When I called back it went straight to hold and music was playing.  I hung up after 15 minutes.
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I'm not sure why they are trying to call or who but I'm kind of confused cause they have been calling not only my regular number but my pinger app number that I use when I'm at my country home.  And when I call back I'm automatically placed on hold without it even ringing.

Caller ID said "Trane Company."  This is a new one.  As usual a hang up.