How do I keep my number from being displayed when I make a call?

[AC Question]

Want to keep phone number from being displayed
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[itguyjax8430]

Want to keep phone number from being displayed
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Welcome to Android Central!

*67 if you live in the US

 

[anon8380037]

.... or Phone / dialer - Menu - Settings - Additional Settings - Caller ID and it will change your preference via the network / carrier in Europe.
Settings terms may vary.