Kindly let me know a contact number to connect with customer support

It's good to see you here in the Community, @account-rainuae-.

I'm ready to help you with any questions you have about QuickBooks Online (QBO). 

May I know what specific help you need? I can answer some general questions or concerns about QuickBooks Online (QBO). You can click the Reply button below, and I’ll assist you with any questions you may have.

However, if you still wish to speak to our QuickBooks Support team, here's how to reach them:

1. Sign in to your QuickBooks Online account.
2. Click the Help button.
3. In the QuickBooks Assistance chatbox, select Talk to a human and choose I still need a human.
4. Select Contact Us.

As always, you can visit our QuickBooks Community help website if you need tips and related articles in the future.

Please touch base with me here for all of your QuickBooks needs. I'm always happy to help. Thanks for dropping by, @account-rainuae-.