Assigning account numbers in QuickBooks Want ideas for how to number your accounts? You can assign any number to your accounts. But if you’re looking for recommendations, these account number ranges might help. These ranges are based on account types and follow generally accepted accounting principles (GAAP). Number range Account type 10000-19999 Assets 20000-29999 Liabilities 30000-39999 Equity 40000-49999 Income or Revenue 50000-59999 Job Costs or Cost of Goods Sold 60000-69999 Expenses or Overhead Costs 70000-79999 Other Income 80000-89999 Other Expense