Hello there, @jeff_king_pnw1.
I'd be glad to help you today so you'll be able to add the account numbers on your Balance Sheet and Income Statement report in QuickBooks Online (QBO).
To include the account numbers when running reports in QBO, you must set your QBO company to show account numbers. Let me show you how.
Once done setting your account to show account numbers, the account numbers will now reflect on the report.
On the other hand, to learn more about running and customizing reports in QBO, you may check these articles:
I'll be right here to help you if you have any other questions about running reports in QBO. Wishing you continued success!