How to hide his phone number on Android Phone?
With Android, if you do not want to broadcast your phone number when you call someone, you can disable its display in outgoing calls. This parameter is managed by your operator. As a general rule, everyone can act on this option.
However, if you always want to hide his phone number from all of your contacts, launch the Phone application and then touch the Phone Menu → Call settings → Additional settings → Caller ID.
Select the desired option, which is the default setting for the network that uses the default setting for your telephone company.
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