ISO 3166-1 country lists merged with their UN Geoscheme regional codes in ready-to-use JSON, XML, CSV data sets

⭐ PHP library providing ISO codes with localization: country (ISO 3166-1), subdivision (ISO 3166-2), language (ISO 639-3), currency (ISO 4217) and scripts (ISO 15924)

This is the best source for iso3166 codes you can found. I am sure.

Countries - ISO 3166 (ISO3166-1, ISO3166, Digit, Alpha-2 and Alpha-3) countries codes and names (on eng and rus), ISO 4217 currency designators, ITU-T E.164 IDD calling phone codes, countries capitals, UN M.49 regions codes, ccTLD countries domains, IOC/NOC and FIFA letters codes, VERY FAST, NO maps[], NO slices[], NO init() funcs, NO external links/files/data, NO interface{}, NO specific dependencies, Databases/JSON/GOB/XML/CSV compatible, Emoji countries flags and currencies support, full support ISO-3166-1, ISO-4217, ITU-T E.164, Unicode CLDR and ccTLD standarts.

ISO 3166-2:CA Province Codes and Names

🌍 An offline Crossplatform .NET library for getting Global Country , iso3166 Short-code and Region Data

A flask based microservice for ISO 3166-1 countries, ISO 3166-2 subdivisions, and cities.

ISO 3166-2:MX State Codes and Names

This project includes ISO 3166 Country Codes, specifically codes for countries, codes for subdivisions, and formerly used codes.

Wikipedia web crawler to extract ISO-3166 countries and their subdivisions with ISO codes

Complete ISO 3166 countries and subdivisions data

A simple router and middleware for region endpoint redirection written in Go.