Section 484.2309 - Local directory assistance; 900 prefix services(1) A provider of basic local exchange service shall provide to each customer local directory assistance.(2) A provider of basic local exchange service shall provide each customer at no additional charge the option of having access to 900 prefix services blocked through the customer's exchange service.Amended by 2021, Act 69,s 1, eff. 7/29/2021.Amended by 2011, Act 58,s 15, eff. 6/14/2011.Amended by 2005, Act 235, s 25, eff. 11/22/2005.1991, Act 179, Eff. 1/1/1992.