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ISO 639-2 language codes (Library of Congress)

Language codes from the ISO 639-2 code list of the Library of Congress, the ISO 639-2 Registration Authority: one document per language with its bibliographic (B) code, terminologic (T) code where it differs, ISO 639-1 code where assigned, and the English and French names.

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Documents

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DocumentVersion

aar Afar

ISO 639-2, the international standard for language codes, assigns the code aar to Afar.

v1

abk Abkhazian

ISO 639-2, the international standard for language codes, assigns the code abk to Abkhazian.

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ace Achinese

ISO 639-2, the international standard for language codes, assigns the code ace to Achinese.

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ach Acoli

ISO 639-2, the international standard for language codes, assigns the code ach to Acoli.

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ada Adangme

ISO 639-2, the international standard for language codes, assigns the code ada to Adangme.

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ady Adyghe; Adygei

ISO 639-2, the international standard for language codes, assigns the code ady to Adyghe; Adygei.

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afa Afro-Asiatic languages

ISO 639-2, the international standard for language codes, assigns the code afa to Afro-Asiatic languages.

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afh Afrihili

ISO 639-2, the international standard for language codes, assigns the code afh to Afrihili.

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afr Afrikaans

ISO 639-2, the international standard for language codes, assigns the code afr to Afrikaans.

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ain Ainu

ISO 639-2, the international standard for language codes, assigns the code ain to Ainu.

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aka Akan

ISO 639-2, the international standard for language codes, assigns the code aka to Akan.

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akk Akkadian

ISO 639-2, the international standard for language codes, assigns the code akk to Akkadian.

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alb Albanian

ISO 639-2, the international standard for language codes, assigns the code alb to Albanian.

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ale Aleut

ISO 639-2, the international standard for language codes, assigns the code ale to Aleut.

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alg Algonquian languages

ISO 639-2, the international standard for language codes, assigns the code alg to Algonquian languages.

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alt Southern Altai

ISO 639-2, the international standard for language codes, assigns the code alt to Southern Altai.

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amh Amharic

ISO 639-2, the international standard for language codes, assigns the code amh to Amharic.

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ang English, Old (ca.450-1100)

ISO 639-2, the international standard for language codes, assigns the code ang to English, Old (ca.450-1100).

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anp Angika

ISO 639-2, the international standard for language codes, assigns the code anp to Angika.

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apa Apache languages

ISO 639-2, the international standard for language codes, assigns the code apa to Apache languages.

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ara Arabic

ISO 639-2, the international standard for language codes, assigns the code ara to Arabic.

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arc Official Aramaic (700-300 BCE); Imperial Aramaic (700-300 BCE)

ISO 639-2, the international standard for language codes, assigns the code arc to Official Aramaic (700-300 BCE); Imperial Aramaic (700-300 BCE).

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arg Aragonese

ISO 639-2, the international standard for language codes, assigns the code arg to Aragonese.

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arm Armenian

ISO 639-2, the international standard for language codes, assigns the code arm to Armenian.

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Source, review, and usage
Published on Koskamo by
Koskamo
Version
487
Documents
486 documents
Reviewed
2026-10-05
Last approved change
2026-10-05
Agent lookups
0 in the last 90 days
Reuse
ISO 639-2 code list published by the Library of Congress as registration authority (loc.gov/standards/iso639-2)
Review status
Published by Koskamo; proposed revisions require Koskamo approval

Original sources are linked on each document. Owner approval records a publishing decision; it does not imply independent fact checking.

Use this dataset from an agent

Agents can query it without an account. POST to /api/v1/retrieve, or connect an MCP client and call koskamo_retrieve with dataset: "iso-639-2-languages".

Set up your agentRead documents as JSON

The JSON endpoint returns document text and source links in pages. Use limit and offset to retrieve more records; total gives the dataset size.

retrieve request
curl --fail-with-body 'https://koskamo.com/api/v1/retrieve' -H 'Content-Type: application/json' --data-raw '{"query":"iso-639-2-languages","dataset":"iso-639-2-languages","top_k":3}'

Change history

Every change that reached this dataset. Proposals from contributors land only after Koskamo approves them.

  1. Published by Koskamo

    tur Turkish · v1

  2. Published by Koskamo

    ven Venda · v1

  3. Published by Koskamo

    son Songhai languages · v1

  4. Published by Koskamo

    phn Phoenician · v1

  5. Published by Koskamo

    min Minangkabau · v1

  6. Published by Koskamo

    ijo Ijo languages · v1

  7. Published by Koskamo

    her Herero · v1

  8. Published by Koskamo

    zza Zaza; Dimili; Dimli; Kirdki; Kirmanjki; Zazaki · v1

  9. Published by Koskamo

    zxx No linguistic content; Not applicable · v1

  10. Published by Koskamo

    zun Zuni · v1