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TIN Check Russia

The INN is generated as a digital code comprised of a sequence of digits which characterize:

For businesses it is a ten-digit code:


Foreign organizations are also assigned a ten-digit code

• 9909XXXXXC.

For individuals it is a twelve-digit code


After validation, additional information about the entered TIN will be made available.

1) NNNN (4 digits)

For Russian organizations and individuals – code of the tax authority which assigned the INN.
For foreign organizations – index defined by the Federal Tax Service.


For Russian organizations (individuals) – a sequence number of the person’s entry in the territorial section of the Unified State Register of Taxpayers (USRT). It consists of 5 digits in case of organizations and 6 digits in case of individuals.
For foreign organizations – code of foreign organization according to the reference book “Foreign Companies Coding”.

3) C (CC) – control number (1 digit for organization, 2 digits for individuals)

It is generated according to a unique algorithm set by the Federal Tax Service.
Note: INN is not related to the Russian domestic passport number.

TIN Check Russia
300504899258 722433057002 3664069397 7743880975
tincheck app
tincheck dash


We are excited to announce the release of the latest version of the TIN-Check Dashboard, the premier tool for conducting TIN checks.
This new version features a sleek, modern design and enhanced functionality to make TIN checks even more convenient and efficient.

The TIN-Check Dashboard is the ultimate solution for verifying TINs and ensuring compliance.

Upgrade to the latest version today and experience the power and convenience of the TIN-Check Dashboard.

Learn More ->

API Full security

At TIN Check, we take the security of our API very seriously.
We have implemented a number of measures to ensure that our API is secure and protected against potential threats.
These measures include 256-bit TLS/SSL encryption.
We are committed to maintaining the highest standards of security and will continue to invest in the latest
technologies and best practices to keep our API safe and secure for all users.