How do i contact optum human resources? Phone: 1-800-367-5690 Human resources (HR) support Get help with HRdirect — find answers to Human Capital questions regarding pay, learning, policies and more. Tells us more about your organization so we can connect you with the right Optum specialist.Where can i find the toll free number for my health plan? This specific toll-free number is typically found on the membership identification card or other informational items (brochures, posters, etc.) supplied by your employer or medical health plan. If you are still having trouble finding contact information, you may also contact us at (866) 477-8208.Where can i get help with human resources questions? Visit TheWorkNumber.com, company code 10324. Phone: 1-800-367-5690 Human resources (HR) support Get help with HRdirect — find answers to Human Capital questions regarding pay, learning, policies and more.