Zerodha 12-character user ID format

Wed, 20 May 2026 00:00:00 +0000

A common search query is “Zerodha 12-character user ID format”. The likely intent is to look up either the Kite client ID (6 characters) or the CDSL demat account number / BO ID (16 digits), often confused. This article clarifies the identifiers and their formats.

The three identifiers

Identifier	Format	Length	Example
Kite client ID (User ID)	2 letters + 4 digits	6 characters	`AB1234`
CDSL BO ID (demat number)	16 digits	16 characters	`1234567890123456`
PAN	10 alphanumeric (5 letters + 4 digits + 1 letter)	10 characters	`ABCDE1234F`

The “12-character” search likely conflates these.

Format on WebNotes

Zerodha 12-character user ID format

The three identifiers