Who called from 8642757503

Asked to speak to spouse (not here) and he said he could talk to me if I was his wife. I told him he couldn't as I have my son on another call long distance and will not put him on hold. Told him to call back in half hour. Sounded like a debt collector.
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Just received a call. Hung up when I answered. Called back to get a message 'the number or code you dialed is incorrect'

Just got a call, hung up when I answered. Call back and get message 'the number or code you've dialed is incorrect'.

Just got a call, hung up when I answered. Call back and get message 'the number or code you've dialed is incorrect'.

I got a call from this number too, hung up when I answered too.