If you are using the TurboTax Free online edition it does not give you access to live TurboTax support. You must be using Plus or one of the higher editions.
TurboTax support is open from 5am to 5pm Pacific time, Monday thru Friday
See this TurboTax support FAQ on how to contact Support - https://ttlc.intuit.com/questions/3401489
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Use this website to contact TurboTax support during business hours - https://support.turbotax.intuit.com/contact/
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Support can also be reached by messaging them on these pages https://www.facebook.com/turbotax/ and https://twitter.com/TeamTurboTax
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Use this phone number and select TurboTax - 1-800-4-INTUIT (1-800-446-8848)
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On every TurboTax web page, including this one, scroll down to the bottom of the page and click on Contact Us