The card catalog for every code.
2,372 entries from the official registries, searchable on one desk.
Eleven drawers, one desk.
Airport codes
IATA / ICAO · 1,172 entries
Country codes
ISO 3166-1 · 250 entries
Currency codes
ISO 4217 · 178 entries
HTTP status codes
RFC 9110 · 62 entries
Language codes
ISO 639-1 · 183 entries
Time zones
UTC offsets · 86 entries
Phonetic alphabet
NATO / ICAO · 36 entries
Port numbers
IANA · 80 entries
Vehicle codes
UN oval · 104 entries
GS1 prefixes
GS1 · 125 entries
HS chapters
WCO · 96 entries
Ask the desk.
Type a code or a name. Every collection is searched at once, right in your browser.
Every code is a filed card.
- 01
Issued, not invented. Each code comes from an official registry record, never rewritten.
- 02
Verified at origin. Documented with its class, reference and issuing standard.
- 03
Kept for reference. Filed, cross-referenced, always retrievable.
Open data
Open access to the archive.
All eleven collections ship as JSON and CSV, served from this domain with no key and no rate limit.
Collections
11
Entries
2,372
Formats
JSON CSV
Official registries. Authoritative by design.
- ISO
- Country, currency and language codes from the International Organization for Standardization.
- IATA
- Airport location identifiers from the International Air Transport Association.
- IANA
- HTTP status codes and well-known port assignments from the Internet Assigned Numbers Authority.
- WCO
- Harmonized System customs chapters from the World Customs Organization.
- GS1
- Barcode company prefixes from the global GS1 registry.
- ITU
- The NATO phonetic alphabet and Morse signals as standardized with the International Telecommunication Union.