USE OF INFORMATION.
Tex. UTIL Code § 55.104.
in effect(a) A person may not use a caller identification service to compile and sell specific local call information without the affirmative approval of the originating telephone customer.
(b) This section does not prohibit a provider of caller identification service from:
(1) verifying network performance or testing the caller identification service;
(2) compiling, using, and disclosing aggregate caller identification information; or
(3) complying with applicable law or legal process.