Back What are the valid codes for states and union territories? The GSTIN is a unique 15-digit number provided to a taxpayer registered under the GST. The first two digits of the GSTIN represents the state code . Here’s the list of the valid GST State Codes and their Tax Identification Numbers (TIN): Discover the complete list of GST State Codes in India (2025) with 2-digit codes for each state and union territory. Essential for GSTIN, returns, and e-way bills. The 29 states code in GST refers to the unique identification codes assigned to each Indian state and union territory for taxation purposes under the Goods and Services Tax (GST) system.
