If you are using a paid edition (PLUS or higher), you have phone support.
Hours are currently 5AM-5PM Pacific (8AM-8PM 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
You can use this contact form to get a phone number, or it may schedule a callback.
https://support.turbotax.intuit.com/contact
If you are using Free Edition, phone support is not included unless you upgrade to PLUS for a 29.99 fee. 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
