502.7. (a) Any person who, knowingly, willfully, and with intent to
defraud a person providing telephone or telegraph service, avoids or
attempts to avoid, or aids, abets or causes another to avoid the
lawful charge, in whole or in part, for telephone or telegraph
service by any of the following means is guilty of a misdemeanor or a
felony, except as provided in subdivision (g):
(1) By charging the service to an existing telephone number or
credit card number without the authority of the subscriber thereto or
the lawful holder thereof.
