Unable to activate Peacock as a Platinum member (>5y service)

I have redeemed my Peacock subscription but am unable to access and activate it. When I go to https://www.xfinity.com/yoursubscriptions, I see Peacock listed but next to it, it says "Activate your Xfinity service first for access to streaming services." I have an active Xfinity internet service (and I'm using it to create this forum post).

Could you please let me know how I may resolve this issue?

Thanks,