I understand your frustration but your current issue is beyond the scope of this community as we do not have access to any data. Microsoft Community is a public forum.
You may try to follow some troubleshooting suggestions on the thread below.
https://answers.microsoft.com/en-us/bing/forum/...
If the steps do not help, I suggest contacting Microsoft Rewards support regarding your difficulty providing a phone number to redeem the reward points or you can contact Microsoft support via live chat by following the steps below.
Go to the link: https://support.microsoft.com/home/contact
*Type this keyword and press Enter: Contact Support.
*Then click "Contact Support" at the bottom.
*Select "Technical support."
*Click "Chat with a support agent in your web browser".