# commercial code

> list of proprietary codes and abbreviations used in the 19th and 20th centuries to save transmission costs of telegram and telex

**Wikidata**: [Q5152551](https://www.wikidata.org/wiki/Q5152551)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Commercial_code_(communications))  
**Source**: https://4ort.xyz/entity/commercial-code