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Basic Technical IVT Commonly tested

Call Number

noun

Pronunciation: /ˈkɔl ˈnʌmbər/

A unique alphanumeric code assigned to library materials that indicates their physical location on shelves and organizes them according to a classification system. Call numbers enable patrons and staff to locate items within the library building systematically.

Plain English

The label on a book that tells you where to find it on library shelves.

Etymology & History

Origin languageEnglish
RootFrom 'call' (to summon or request) and 'number' (numeric designation)
First recorded use1890s
Usage frequencyVery common

Usage

"Students should write down the call number from the catalog before searching the shelves."

Style guide notes: Italicize call numbers in formal documentation; maintain spacing exactly as displayed in catalog.

Also known as

shelf mark location code classification number

Contrasted with

ISBN DOI

Related Terms

Frequently Asked Questions

What are the two main classification systems?

Dewey Decimal System (public libraries) and Library of Congress Classification (academic libraries).

Why do call numbers matter?

They organize materials logically and help users locate items physically within the library.

Why Test Candidates on This?

Fundamental to library navigation and user instruction competency.

Required skill level: Junior

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