Phone support is not provided with the Free Edition. If you are using a paid version of the software or if you purchased PLUS you can get phone support when customer support is there. Otherwise, post your question here and someone will try to help.
To call TurboTax customer support
They are available from 5 a.m. to 9 p.m. Pacific time
@sl8ofhand Please read the reply directly above your post. We have no way to connect you to customer support from the user forum.