The reference desk — standardized codes, filed & searchableN° 2,372 entries · 11 collections ·
DirectoryCodes
The directory of the world’s codes

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Every collection on this site, as plain JSON and CSV — the exact data the pages are rendered from. Free to use in your own projects; attribution (“Data via directorycodes.com”) is appreciated. Sources: IANA, ISO 3166/4217/639 via open datasets, OurAirports, GS1, WCO — see About for provenance, and the Disclaimer before relying on codes in production.

DatasetEntriesDownload
HTTP status codes62JSON · CSV
Country codes (ISO 3166-1)250JSON · CSV
Currency codes (ISO 4217)178JSON · CSV
Language codes (ISO 639-1)183JSON · CSV
Airport codes (IATA/ICAO)1,172JSON · CSV
Port numbers80JSON · CSV
Time zone abbreviations86JSON · CSV
NATO phonetic alphabet36JSON · CSV
Vehicle registration codes104JSON · CSV
GS1 barcode prefixes125JSON · CSV
HS customs chapters96JSON · CSV