jposta

Library for Japanese postal code to address.ES6, Promise based, Typescript ready, React friendly, without any dependencies.

@hy_ong/zod-kit

A comprehensive TypeScript library providing pre-built Zod validation schemas with full internationalization support for common data types and Taiwan-specific formats

jp-postal

There are instructions to download, rebuild and obtain the latest data from official source

digipinjs

A comprehensive TypeScript library for encoding and decoding Indian geographic coordinates into DIGIPIN format (Indian Postal Digital PIN system). Features CLI tools, caching, batch processing, and Express middleware for seamless integration.