You can file a non-resident state return for the "old" state, and file a resident state return for the state you live in now. Prepare the non-resident state first. And going forward, make sure the employer is only withholding tax for the state you now live and work in.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
