Glad to see you here in the Community, Susan C.
I'm here to help you show the account and account number when printing a bill report.
I can provide you with easy steps on how you can pull up a report that shows the account name and account number. You can run and customize the Unpaid Bills Details report.
You may find this article helpful: https://quickbooks.intuit.com/community/Reports-and-accounting/Customize-reports-in-QuickBooks-Deskt....
Should you need more help about vendors and bills report, don't hesitate to let me know. Have a good one.