When my client tries to connect their mastercard bank feed to QBO, it asks them to verify to SMS number that is not at all the last 4 digits of phone number. Any ideas?

Hello kbusse23,

Thanks for connecting with us here in the QuickBooks Community. It's important you're able to get the help you need in order to move forward with your work. I'll be glad to point you in the right direction so you're on the right track with your work. 

Based on what you've described, I see you benefiting more by contacting our support team outside of the Community. A specialist will be able to share your screen and help you get the resolution you need in a timely manner. Here are our contact details: 

• Schedule a Callback or start a Chat: click (?)Help in the upper right in QuickBooks Online > type and enter "Contact support" into the QB Assistant > click Contact Us > explain your situation > click Let's Talk > choose Get a callback or Start a Chat.
• Social Media: Facebook, Twitter, and Instagram.
• Support hours are from Monday to Friday between 9 a.m. and 8 p.m. ET.

Feel free to keep me posted on how you make out. I'll be one message away in case you need anything else.