801-839-7901 caller id says customer service. did not answer and no message left;
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Received a call from this number @ 9:35 AM Mountain Time this morning.  Caller ID said "Customer Service," so I'm pretty sure it's yet another number used by the free cruise scammers.  Every junk call I've ever gotten from the free cruise scumbags has used "Customer Service" for the caller ID.  Of course with the technology these days they could be spoofing the caller ID along with the phone number.  Added the number to my blocked list on my Panasonic call blocking phone, which is one of the best investments I'v ever made!

Just received a call from 801-839-7901; Caller ID shows Locksmith. No new message was left on my answering machine. However I happened to be in the room with the answering machine when the call came in today, and there was an automated voice speaking from the caller at the same time as my outgoing message was playing. Both stopped about the same time. In other words, I could hear two conflicting voices mixed together -- my outgoing and their incoming. Thus there was a message, but my machine did not have a chance to record it. I could not understand their entire message due to two different voices speaking at same time, but got bits and pieces of it. Their message was regarding the reduction of power rates. I assume they are selling solar panels, but not sure.

1 call, left a message about solar power reducing my power bill.  Caller ID showed "Customer Service".  I never answer calls I don't recognize.

Multiple calls, no messages left