1. A local exchange service provider shall furnish to the next generation 911 network service provider, designated by the department of homeland security and emergency management, all names, addresses, and telephone number information concerning its subscribers which will be served by the next generation 911 network and shall periodically update the local exchange service information. The 911 service provider shall furnish the addresses and telephone number information received from the local exchange service provider to the director for use in the mass notification and emergency messaging system as defined in section 29C.2. The local exchange service provider shall receive as compensation for the provision of local exchange service information charges according to its tariffs on file with and approved by the Iowa utilities board. The tariff charges shall be the same whether or not the local exchange service provider is designated as the next generation 911 network service provider by the department of homeland security and emergency management.
 2. a. Subscriber information remains the property of the local exchange service provider.

 b. The director, program manager, joint 911 service board, local emergency management commission established pursuant to section 29C.9, the designated next generation 911 network service provider, and the public safety answering point, and their agents, employees, and assigns shall use local exchange service information provided by the local exchange service provider solely for the purposes of providing 911 emergency telephone service or providing related mass notification and emergency messaging services as described in section 29C.17A utilizing only the subscriber’s information, and local exchange service information shall otherwise be kept confidential. A person who violates this section is guilty of a simple misdemeanor.
 c. This chapter does not require a local exchange service provider to sell or provide its subscriber names, addresses, or telephone number information to any person other than the designated next generation 911 network service provider.