> For the complete documentation index, see [llms.txt](https://mobiles.learn-telecom.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mobiles.learn-telecom.com/sim-cards/codes.md).

# Codes

### PIN

PUK

ICCID

MSISDN