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I put in a temp phon number for security so my phone would let me know if someone was trying to get into my facebook or any apps. now I have my phone back I nee

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I went into security page for Facebook and set up security steps one was I changed my phone number and now husband want's his phone to stop being notified about every thing. I need to put my number back on so it will stop calling him. please tell me how to do this.

I went into security page for Facebook and set up security steps one was I changed my phone number and now husband want's his phone to stop being notified about every thing. I need to put my number back on so it will stop calling him. please tell me how to do this.

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Maybe this article:

"How do I add a new phone number to my account or switch numbers?" https://www.facebook.com/help/124895950923762