Keeps asking for me to authenticate my phone

[CarterNPC]

Whenever I'm on my phone outside it always keeps asking to verify my phone when I saved it, it gets annoying but I'm just wondering why this is happing thanks.

~Soda

 

[EpicNPC]

Anytime your IP address changes you are asked for a security code via email.

You can authenticated devices you use here:
https://www.epicnpc.com/profile.php?do=sc_authdevices

Once authenticated, even if your IP changes, it will not ask you for the security code.