As regulated by the United States Government, international live session support for QuickBooks Online US products is currently unavailable, Marcela9.
While I understand the convenience of receiving a call on a Brazilian phone number, please know that live call session schedules vary based on the user's location and the specific QuickBooks product.
You can still request live support using your US phone number with any US QuickBooks online issues. Here's how:
1. Navigate to the Help menu.
2. Click the Search option and type Contact Support.
3. Choose the Contact Us tab at the bottom.
4. Follow the prompts, then choose a way to connect with us: Have us call you or Chat with us.