Who called from 8634758137

called at 6:20PM. caller id: "Name Unavailable". hung up when answering machine picked up

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Received several times. Never answer unidentified calls.  But it is very annoying when taking a nap!

His number calls every single day! I tried to call it back once and got a recording stating that the number is not in service! How do these outfits tap into the phone system and use numbers that show up as not in service and be allowed to harass people?