Welcome to the QuickBooks family. I'm here to help you update the phone number of your account.
You can make changes to the information by logging in to your Intuit Account Manager. To access this section, I suggest signing in to QuickBooks first.
- Sign in to QuickBooks Online.
- Click your profile icon next to Settings ⚙.
- Press Manage your Intuit Account.
- Select the Sign in & security menu.
- Update the phone number.
In case you want to access the Intuit Account Manager directly, you can use this link: https://accounts.intuit.com/.
For more information, as well as how to recover your user ID or password, I recommend the following article: Change your email, user ID, or password for QuickBooks Online, QuickBooks Online Accountant, and Qui....
Drop me a comment below if you have any other questions. I'll be happy to help you some more.