GSTIN Code Merged

New GSTIN State Code for merged UT - Dadra & Nagar Haveli and Daman & Diu

1.     What are GSTIN state codes?

The Goods and Services Tax Identification Number (GSTIN) is a 15-digit alphanumeric unique identification number provided to every registered taxpayer under GST.

First 2 Digits of this 15 digit alphanumeric number is the state code no given according to Indian Census 2011.

For example: In GSTIN “23AEGPA8565A1ZZ”, first 2 Digits 23 identifies that this GSTIN registered under state code 23 which is assigned to Madhya Pradesh.


2.     What was State code of Daman & Diu and Dadra and nagar Haveli before merger?

Daman & Diu                                   25

Dadra & Nagar Haveli                     26


3.     When were the UT’s merged?

Daman & Diu and Dadra and Nagar Haveli got merged into one single UT on 26 January 2020


4.     What is the effect on GSTIN of the merged UT?

The New GSTIN with UT code 26 became effective from 1st August 2020 to the merged Union Territory of Dadra & Nagar Haveli and Daman & Diu.

After which all Active taxpayers having GSTIN registered under the old territory of Daman  & Diu and having GSTIN starting with 25 were given new GSTIN starting with state code 26 along with new GST portal login credentials  at their email registered for primary signatory.



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