You should file an extension now - it will be very hard to get tax advice by phone today, since the filing & payment deadline is midnight tonight.
When you are ready, please use the following link to contact us - Contact TurboTax.
For instructions on e-filing, see Can IRS extensions be e-filed? and How do I file an IRS extension (Form 4868) in TurboTax Online?
Another option is TurboTax® Live - to Connect With A Live Tax Expert For Tax Advice And A Final Review.
