To e-file your Federal return only you can either skip your State for now or delete your state. Please see the information below:
Please
see the TurboTax FAQ below for more information and instructions on how to
skip your state return for now in TurboTax Online:
https://ttlc.intuit.com/replies/3374295
OR
Please
see the TurboTax FAQ below for more information and instructions on how
to delete your State return in TurboTax Online:
https://ttlc.intuit.com/replies/3301384