If you are using a paid edition (PLUS or higher), you have phone 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
If you are using Free Edition, phone support is not included unless you upgrade to PLUS (29.99). But you can contact a TurboTax Support agent for free directly via messaging at Twitter or Facebook.
https://twitter.com/TeamTurboTax
or
https://www.facebook.com/turbotax
