To contact QuickBooks Payroll support, call 855-216-3133 (U.S. customers) Monday to Friday, 6 AM - 6 PM PT. For other options, visit the QuickBooks Help Center for articles, FAQs, and chat support, or request a callback through your QuickBooks account.
https://support.opendns.com/hc/en-us/community/posts/32161511387540--QB-Helpline-How-DO-I-contact-QuickBooks-Intuit-Enterprise-Support-by-Phone