Customer Support hours are 5AM-5PM Pacific (8AM-8 PM Eastern) Monday-Friday.
FAQ: What is the TurboTax phone number?
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632
Or use this contact form:
https://support.turbotax.intuit.com/contact
