Block withheld / unknown numbers

Can I block all withheld or unknown numbers on an iPhone? Could it be done with an app or would I contact my network?

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JanSt / MOD  Mar. 12, 2014 at 20:32

Contact your network. Note the exact time of an incoming call from that number. I don't believe any app can 2 that - except: block ALL unknown numbers. But I doubt you'd want that.


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