Does QuickBooks Payroll Have 24-Hour Support? Yes QuickBooks Payroll typically offer 24-hour support @1-(833)-200-3695 for general inquiries. The hours of operation for phone support are generally Monday to Friday, from 6 a.m. to 6 p.m. Pacific Time. However, you may be able to access support outside these hours via online resources like the QuickBooks Community forum, help articles, or by submitting a request for a callback 1-(833)-200-3695.