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Linear (1D) · since 1977

Code 11

Telecommunications equipment

A high-density numeric code named for its eleven characters. Used mainly to label telephone equipment.

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Generate Code 11

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At a glance

Introduced: 1977
Created by: Intermec
Characters: Digits 0–9 and dash
Length: Variable
Check: One or two check digits (C, K)
Capacity: Limited by width

Example: `123-45`

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Generation and reading use rxing (Apache 2.0), a Rust port of ZXing. Barcodes you make or scan are processed to answer your request and are not stored. GS1 prefix ranges show the issuing GS1 office, not the country of manufacture.

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