About this reference

World Lookup Hub is a static reference for finding country calling codes, ISO 3166-1 codes, ccTLDs, currencies, time zones, postal formats, area codes, and airport codes. Every published record combines a concise editorial description with reviewed factual data.

How records are reviewed

Each country record includes a reviewed date, a source list, and a review status. Extended reference data uses public datasets for capitals, currencies, IANA time zones, postal formats, and airports. Records are excluded from the published dataset until they have complete core codes and at least one evidence source.

Data sources

Factual fields are checked against these official registries:

What this site does not promise

Codes and currencies change over time, and territory naming can be sensitive. We use the neutral labels and assignments published by the source registries and date every record so you can see when it was last checked.