What is Goods and Services Tax Number in India?

Goods and Services Tax Number or GSTIN is a 15 digit unique number assigned to each tax payer who has registered under GST of India. You have to register under GST to get a GSTIN (GST Number). Your GST number is your identity that represents you under GST tax regime.

GSTIN or GST number is public information. GST number search by name is an important task that every business dealing with GST registered taxpayers must carry out to ensure the authenticity of the vendor and the GSTIN or GST number being used in the invoice. Technology has enabled you to verify GSTIN by a click of a button from anywhere and anytime.

How to find details of a GST Number in India?

If you have a GST Number, you can easily find the details of a GST number. You can use above form to search any GST number. You need to fill the GST number of person and click on search button to find details of any GST number. Checking details of a GST number is completely free.


Details of GST number are retrieved from GSTN servers and are accurate. You will get details of a GST number such as Trade name, State of Registration, Indicative address of tax payer, his jurisdictional details.


What is format of a GST number and what each character specify?

GST Identification Number Format

GSTIN structure comprises

  • First 2 numbers → State code of the registered person
  • Next 10 characters → PAN of the registered person
  • Next number→ Entity number of the same PAN
  • Next character → Alphabet Z by default
  • Last number → Check code which may be alpha or digit, used for detection of errors

Goods and Services Tax Number or GSTIN or GST Identification Number is a 15 digit unique number. Each GST number contains 15 characters.

The first 2 digits represents state to which GST number belongs. For example, if your GST number starts with 29 means you registered in Karnataka. Similarly each state is given an identification number.

Next 10 digits of a GST number represents your PAN (Permanent Account Number).

Permanent Account Number (PAN) is compulsory for GST registration and GST number is based on PAN of tax payer. You need to have a Permanent Account Number (PAN) Card to get GST number.

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