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Free GSTIN Lookup Tool

Verify any GSTIN and get taxpayer details instantly. Legal name, status, registration date, jurisdiction — all from the official GST database.

What is a GSTIN?

A GSTIN (Goods and Services Tax Identification Number) is a unique 15-digit identifier assigned to every GST registered taxpayer in India. Here’s how the 15 digits are structured:

29

Digits 1-2: State Code

First two digits represent the state code as per the Indian Census. Example: 29 = Karnataka, 27 = Maharashtra, 07 = Delhi.

PAN

Digits 3-12: PAN Number

The next 10 characters are the PAN (Permanent Account Number) of the taxpayer, linking the GSTIN directly to their income tax identity.

1

Digit 13: Entity Number

The 13th digit indicates the number of registrations the entity has within the same state under the same PAN. 1 = first registration, 2 = second, and so on.

Z5

Digits 14-15: Check

Digit 14 is “Z” by default (reserved for future use). Digit 15 is a check digit computed using the Luhn algorithm to validate the GSTIN.

Example GSTIN Breakdown

29 ABCDE1234F 1 Z5
State PAN Entity # Check

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