Geographic area code.
Contributors: Library of Congress. Reference Dept.; Library of Congress. MARC Development Office.; Library of Congress. Subject Cataloging Division.
Publisher: Library of Congress
Place of publication: [Washington, D.C
Language: eng
Number of pages: 26
Subjects: MARC formats -- United States
Notes: "Code was compiled by a working group of subject and area specialists of the Reference Department ... in consultation with the MARC Development Office and the Subject Cataloging Division"--p. [1].

Caption title.