Under GST law, every state and Union Territory is assigned a unique numeric code referred to as the GST state code . For example, ‘02’ is the GST state code for Himachal Pradesh and ‘07’ is the GST state code for Delhi. The GST state code will also form the first two digits of a taxpayer’s GST number i.e. GSTIN. Get the detailed state -wise GST codes list for all Indian states & union territories. Stay updated with the latest GST codes including 29 gst state code & learn how to check your GST jurisdiction easily. Here’s the list of the valid GST State Codes and their Tax Identification Numbers (TIN): Was this document helpful? A list of the valid GST State Codes and their Tax Identification Numbers (TIN). These codes are represented by numbers assigned to each state and Union Territory. For example, GST state code 27 represents Maharashtra, while GST state code 29 represents Karnataka. Explanation of its Role in GSTIN GSTIN (Goods and Services Tax Identification Number) is a unique 15-digit number assigned to every registered taxpayer.