Using Zoom Phone SMS to set up Venmo

Hi All, I just got SMS set up on my Zoom phone account and I am trying to use that number to set up a Venmo account for our non-profit. However, I am getting an error "To use Venmo, we need your mobile phone number"

Has anyone successfully set up Venmo using their Zoom phone number? Any tips on how to make that work? I have already managed a test SMS to the phone number, so I know the SMS is working