# telephone number portability

> Wikimedia disambiguation page

**Wikidata**: [Q1136853](https://www.wikidata.org/wiki/Q1136853)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Telephone_number_portability)  
**Source**: https://4ort.xyz/entity/telephone-number-portability


## References

1. Freebase Data Dumps. 2013
2. [Source](https://www.zhihu.com/search?q=%E6%90%BA%E5%8F%B7%E8%BD%AC%E7%BD%91&type=content#携号转网&全国实行「携号转网」)