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A friend has an iPhone 4 or 5 running iOS 7, and has configured her phone to always hide her number when making calls, as a safety measure.

As a result, I can't tell it's her calling, since all her calls says "Private number".

Is it possible to configure an iPhone to hide its number for all out calls except for such and such person in the phone's list of contacts?

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  • Why can't you just answer the phone? Sep 13 '15 at 1:29
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    @user3439894 personally I don't answer blocked calls either, 99.99% are spam.
    – Tyson
    Sep 13 '15 at 14:45
  • That's why. I got better things to do.
    – Gulbahar
    Sep 14 '15 at 12:43
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Possibly.

Your mileage may vary, as this is a carrier dependent function. I was however able to achieve the following using two AT&T phones in the U.S.

First I opened Settings > Phone > Show my Caller ID and turned the switch off.

Next I placed a test call to the second phone, the other phone correctly displayed "no caller id". (Note: it does NOT matter who the carrier is for the second phone, all the magic relates to what the first phones carrier offers.)

Next I google "AT&T star codes" and located this list. *82 looked like the best choice.

I then modified the contact for the second phone, adding *82 before the phone number.

Calling that contact then allowed my caller id info to be displayed on the second phone, while still being blocked for others.

It's my understanding that *82 is reasonably standard for the code itself in the U.S. I have no idea which carriers support it however (other than AT&T where I did test). I also have no idea what carriers in other countries might use, or if it's supported with a star code. Consult Google for "(carrier name) star codes" or check with the carrier.

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  • Thanks. I'll ask whether her carrier here in Europe supports that feature. Too bad Apple doesn't support it in its OS.
    – Gulbahar
    Sep 14 '15 at 12:45
  • Apple could add to support such a feature for a better user experience, but the underlying technology has to be provided at the carrier level. It's beyond what Apple alone can provide.
    – Tyson
    Sep 14 '15 at 12:48
  • Her carrier doesn't suppor the *82 code. And prepending #31# manually before each occasional call she wants to make anonymously… is a bit cumbersome :-/
    – Gulbahar
    Sep 14 '15 at 13:06
  • You might check this Wikipedia article that lists unblock codes in a list of countries.. See the section titled "getting around caller ID" and scroll to the "enabling" title.
    – Tyson
    Sep 14 '15 at 13:57
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No, but you could ask Apple to do that feature for you/us in the future at http://apple.com/feedback

In the mean time, have her send you an iMessage before calling so you know to answer.

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