Yes you have to mail the state return.
You should not have mailed federal a second time! That may mess it up and delay it even more. They were not opening the mail due to Covid-19.
They just started opening the mail in June that's been stacking up. So you have to keep waiting.
See this IRS page for the latest information
https://www.irs.gov/newsroom/irs-operations-during-covid-19-mission-critical-functions-continue
