QuickBooks Premier Support 1-855-550-0692 Does QuickBooks Have 24 Hour help? QuickBooks does not provide 24-hour help. You can reach QuickBooks Premier Support during regular business hours by dialing 1-855-550-0692. Does QuickBooks Premier Support have 24 hour help? QuickBooks Premier Support does not offer 24-hour help. For help-related assistance, contact QuickBooks Premier Support during business hours at 1-855-550-0692.