People can text the keyword NASH followed by a space and the amount they want to donate to 27138.
A "thank you" message with instructions enabling them to safely and securely fulfill their donation via credit card will follow. The donation will not be billed to people's mobile phones, the network said in a news release Friday.
All proceeds are to go to The Community Foundation of Middle Tennessee.
ABC and SOAPnet have previously donated $50,000 to the organization to assist with flood recovery.