Tenn. Code Ann. § 65-4-402

Any person or entity who makes a telephone solicitation to any residential subscriber in this state shall, at the beginning of such call, state clearly the identity of the person initiating the call and entity or organization such person represents. Without the permission of the residential subscriber, no person or entity who makes a telephone solicitation shall call such subscriber at any time other than between the hours of eight o'clock a.m. (8:00 a.m.) to nine o'clock p.m. (9:00 p.m.), prevailing time.