Who called from 7863503726

Then you should have no objections to telling us what the call was about and who the company that called you is as well as their location.

Did not answer since I didn't recognize the number.

Ignored call, left no message. ID: Miami FL

Received a call from this number on my cell phone!!!!  Didn't answer as no ID.

call to cell.   Returned call....non operating number.   Really?
Same day received several calls from 8622361252.   Same.
Same day received a call from someone asking to speak to person who handles Merchants Account (don't have one).   That call was to house phone.   No caller ID...   Didn't entertain the conversation.    Busy phone lines.