Austin Executive Airport opened a control tower on Friday, February 23rd 2018. The airport is now officially Class D airspace. The charts and A/FD are not updated yet to reflect the tower, but there is a NOTAM with the tower and ground frequency information. The tower hours are from 6am to 10pm. The weather frequency remains the same.
Make sure you check those NOTAMs if you are headed to KEDC anytime soon!
KEDC Tower Frequency: 120.3
KEDC Ground: 119.45