(1) The provisions of this chapter shall not apply to any activity in connection with services provided by a common carrier pursuant to its tariffs on file with the Washington utilities and transportation commission or the Federal Communication Commission and any activity of any officer, agent or employee of a common carrier who performs any act otherwise prohibited by this law in the construction, maintenance, repair and operations of the common carrier's communications services, facilities, or equipment or incident to the use of such services, facilities or equipment. Common carrier as used in this section means any person engaged as a common carrier or public service company for hire in intrastate, interstate or foreign communication by wire or radio or in intrastate, interstate or foreign radio transmission of energy.
(2) The provisions of this chapter shall not apply to:
(a) Any common carrier automatic number, caller, or location identification service that has been approved by the Washington utilities and transportation commission; or
(b) A 911 or enhanced 911 emergency service as defined in RCW
82.14B.020, for purposes of aiding public health or public safety agencies to respond to calls placed for emergency assistance.