If you have a landline, take a look at call blocking devices. There are phones out as well but they do not hold the capacity of numbers that devices do.
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Recent comments:
1
Jan 28, 2016
Called me at 3:30 a.m. It is 6:30 a.m. now and I cannot fall to sleep again.
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2
Jan 28, 2016
They called us 5 am. Didn't leave a message.
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3
Jan 28, 2016
Got a call at 4.30 am and could not go back to sleep. Tried calling them back and got a message that number is no longer in service.
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4
Jan 28, 2016
Called at 5am. No message
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5
Jan 28, 2016
They Robocalled us at 1:30am, couldn't tell who it was from since only the very end of the message was caught on voicemail.