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Code 39

variable length, discrete barcode symbology
Thing specification Q1503873
Code 39
Havarhen · Public Domain · Wikimedia
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Code 39

Summary

Code 39 is a specification[1]. It draws 205 Wikipedia views per month (specification category, ranking #6 of 26).[2]

Key Facts

  • Code 39's image is recorded as Code 3 of 9.svg[3].
  • Code 39's instance of is recorded as specification[4].
  • Code 39's developer is recorded as David Allais[5].
  • Code 39's developer is recorded as Ray Stevens[6].
  • Code 39's subclass of is recorded as linear barcode[7].
  • Code 39's Commons category is recorded as Code 39[8].
  • Code 39's publication date is recorded as +1974-00-00T00:00:00Z[9].
  • Code 39's Freebase ID is recorded as /m/01szxd[10].
  • Code 39's JIS standard is recorded as X0503[11].

Why It Matters

Code 39 draws 205 Wikipedia views per month (specification category, ranking #6 of 26).[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[12] It is known by 18 alternative names across languages and contexts.[13]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . Freebase Data Dumps. wikidata.org.
  9. [11] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] ↑ . Wikidata sitelinks. wikidata.org.
  3. [13] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Code 39. Retrieved May 3, 2026, from https://4ort.xyz/entity/code-39
MLA “Code 39.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/code-39.
BibTeX @misc{4ortxyz_code-39_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Code 39}}, year = {2026}, url = {https://4ort.xyz/entity/code-39}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Code 39 — https://4ort.xyz/entity/code-39 (retrieved 2026-05-03)

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