Earlier quoted context omitted.
Criminal code is specific to jurisdiction, in California this would probably be the most relevant section - https://codes.findlaw.com/ca/penal-code/pen-sect-499c.html . Whether a customer list is a trade secret depends on a bunch of factors in that state's (or countries) trade secret laws (the penal code is just a fraction of them) but in general a mere list of names and telephone numbers likely will not qualify, but…
Yeah no. From your link ‘9) “Trade secret” means information, including a formula, pattern, compilation, program, device, method, technique, or process, that: (A) Derives independent economic value, actual or potential, from not being generally known to the public or to other persons who can obtain economic value from its disclosure or use; and (B) Is the subject of efforts that are reasonable under the circumstances…
So long as you make a reasonable effort to keep it from being public knowledge, it meets the criteria you quoted.