QB Issue Resolution:

In company settings>sales>customize look and feel, you might be able to unselect the phone in the header section

use a footer field and type in the phone number

I have not tried that so use print preview to see how it works

Resolution for Issue 'On the online invoice, is there a way to take the business number out of the top area, and move it to the bottom of the page?' available: Yes (Solved).
Source: Intuit Community forum.

On the online invoice, is there a way to take the business number out of the top area, and move it to the bottom of the page?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Invoice
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!

Error Recovery for Invoice [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.

Get 50% off Quickbooks Online

Click Here for 50% off!

Additional Support Options: