This video shows how to redeem non-U.S. Xbox Live Gold codes on a U.S. account through a VPN.

This is confirmed to work with Mexico 1 month Xbox Live Gold codes and 12 month Xbox Live Gold codes.

No More Lines sells 12 month Brazilian Xbox Live Gold codes. You can purchase one from the below link:

https://www.nomorelinesla.com/product/12-month-xbox-live-gold-membership-digital-code-vpn/


Here is a list of some VPNs available to download. I included VPN Unlimited for those interested in using it. I can confirm that Brazil and Mexico servers are available with VPN Unlimited.

VPN Unlimited:
https://www.vpnunlimitedapp.com/en

HideMe:
https://hide.me/en/software

Betternet:
https://www.betternet.co/windows-vpn

ProtonVPN:
https://protonvpn.com/download/

FreeVPN:
https://free-vpn.en.softonic.com/