199—6.1 (476) Inquiry. Any person may seek assistance from the Iowa utilities board by appearing in person or placing a telephone call to the Consumer Services Section, Iowa Utilities Board, Des Moines, Iowa, (515)281-3839 or toll-free (877)565-4450. Consumer services may advise the person of the application of the rules, inform the person of utility complaint procedures and advise of written complaint procedures before the board. However, the complaint procedures set forth below are available only after a written complaint is filed.