U.S. Telephone Directory CollectionThis is a digitized collection from the Library of Congress. Collection includes: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, the District of Columbia, Florida, Georgia, Hawaii, Iowa, Maryland, Pennsylvania, and the city of Chicago. The dates of the directories span most of the 20th century. The Library's United States telephone directory collection consists of 8,327 digitized reels of microfilm; of these, about 3,500 are presented in this collection. The remainder of the collection may be requested from the Microform Reader Services (LJ 139).