Why did you e-file it after mailing it? You cannot file twice. If the state has the mailed return in its system it is not going to accept another return from you. If you need to check on what is going on --use the state tracking site.
To track your state refund:
ttps://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-refund/track-state-refund/L3jgO8PGs_US_en_US?uid=lt447ebr
https://ttlc.intuit.com/turbotax-support/en-us/help-article/state-taxes/contact-state-department-rev...
**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.**