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<blockquote data-quote="Lifeisabeach" data-source="post: 1928697" data-attributes="member: 38864">They don't need one. Just don't give them one. I mean, if you set up an iPhone as a phone, then obviously a number will be needed for calls and SMS. But as for your AppleID? No. If it's already added, you can remove it. You'll have to first de-register the phone number for use with iMessage and Facetime.[URL unfurl=&quot;true&quot;]https://www.wikihow.com/Remove-an-Apple-ID-Phone-Number-on-an-iPhone[/URL]You can only use 2FA in the manner supported by your financial institution. Banks are largely horrible at this. Calls or SMS, sometimes email. I wish more, and especially mine, would use TOTP authenticators. One of my banks at least can let me authorize a sign-in using the app on my iPhone (code goes straight to the app).If you choose not to use your phone number with iMessage, you'll still get SMS messages, but they go only to your phone. If you tie your phone number to your AppleID and iMessage, then even regular SMS messages will get routed to ALL of your Apple devices that are signed in that way. It's really a great, seamless feature.</blockquote>

[QUOTE="Lifeisabeach, post: 1928697, member: 38864"] They don't need one. Just don't give them one. I mean, if you set up an iPhone as a phone, then obviously a number will be needed for calls and SMS. But as for your AppleID? No. If it's already added, you can remove it. You'll have to first de-register the phone number for use with iMessage and Facetime. [URL unfurl="true"]https://www.wikihow.com/Remove-an-Apple-ID-Phone-Number-on-an-iPhone[/URL] You can only use 2FA in the manner supported by your financial institution. Banks are largely horrible at this. Calls or SMS, sometimes email. I wish more, and especially mine, would use TOTP authenticators. One of my banks at least can let me authorize a sign-in using the app on my iPhone (code goes straight to the app). If you choose not to use your phone number with iMessage, you'll still get SMS messages, but they go only to your phone. If you tie your phone number to your AppleID and iMessage, then even regular SMS messages will get routed to ALL of your Apple devices that are signed in that way. It's really a great, seamless feature. [/QUOTE]

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