The Department's Customer Service unit of the Division of Utilities Administration is available by phone Monday through Friday, except for holidays, from 8:00 a.m. to 5:30 p.m., as same may change from time to time. Walk-in office hours are 8:00 a.m. to 4:30 p.m., as same may change from time to time. The Department's address is 420 Madison Avenue, Suite 100, Toledo, Ohio 43604-1219; phone number is (419) 245-1800; fax number is (419) 936-7853; and e-mail is webform@toledo.oh.gov.