How to enter Contact Phone number in UK format

Hello and welcome to the Community, gressgardens.

I'm glad you reached out to us regarding the phone number concern in QuickBooks Online.

Yes, it's possible. You can create your own sales form template and enter the desired number you want. Here's how:

1. Click the Gear icon.
2. Below Your Company, select Custom Form Styles.
3. For an existing template, click Edit below the Action column.
4. If you want to create a new one, click the drop-down arrow next to New style.
5. Select Invoice, Estimate or Sales Receipt.
6. Go to the Content tab.
7. Click the first pencil icon in the upper-right corner.
8. Below Header, enter the phone number you want.
9. Click Done.

When you create the invoice, please make sure to select the template you modified.

I'm here anytime you have additional questions concerning the process. I'll keep an eye out on your response.