Unable to receive SMS OTP for Vietnam phone number (+84) — Need manual verification

Hello NVIDIA Support Team,

I am trying to generate a free NIM API key on build.nvidia.com
but I am unable to complete phone verification.

Account email: namnguyen241207@gmail.com
Country: Vietnam (+84)
Phone: +84 372240436
Issue: OTP is never received on my Vietnam phone number.

Could you please manually verify my account so I can access
the NIM APIs?

Thank you.