GST Number Verification
GST Number Search & Verification
Verify GSTIN | Complete Taxpayer Details | Filing History | PAN Search
Sample GSTINs to Test
Sample PANs to Test
Complete Guide to GSTIN
GSTIN (Goods and Services Tax Identification Number) is a unique 15-character identification number assigned to every registered taxpayer under GST in India. It's based on the PAN of the taxpayer and is used for all GST-related compliance.
GSTIN Structure
- First 2 Digits (27): State Code (Maharashtra)
- Next 5 Characters (AAACB): PAN First 5 Characters
- Next 4 Digits (1234): PAN Middle 4 Digits
- Next 1 Character (A): PAN Last Character
- Next 1 Digit (1): Entity Number (1-9)
- Next 1 Character (Z): Always 'Z'
- Last 1 Character (5): Check Digit (A-Z or 0-9)
GST Returns Explained
| Return | Frequency | Due Date | Purpose |
|---|---|---|---|
| GSTR-1 | Monthly/Quarterly | 11th of next month | Outward supplies (sales) |
| GSTR-3B | Monthly | 20th of next month | Summary return + tax payment |
| GSTR-9 | Annual | 31st December | Annual reconciliation |
State Codes
| Code | State | Code | State |
|---|---|---|---|
| 01 | Jammu & Kashmir | 19 | West Bengal |
| 02 | Himachal Pradesh | 20 | Jharkhand |
| 03 | Punjab | 21 | Odisha |
| 04 | Chandigarh | 22 | Chhattisgarh |
| 05 | Uttarakhand | 23 | Madhya Pradesh |
| 06 | Haryana | 24 | Gujarat |
| 07 | Delhi | 27 | Maharashtra |
| 08 | Rajasthan | 29 | Karnataka |
| 09 | Uttar Pradesh | 32 | Kerala |
| 10 | Bihar | 33 | Tamil Nadu |
| 18 | Assam | 36 | Telangana |
GSTIN verification through this tool fetches real-time data from GST portal APIs. Always verify critical GSTIN details through the official GST portal (gst.gov.in) before making B2B transactions.
Frequently Asked Questions about GST Number Verification
Find answers to common questions about gst verify. These FAQs are designed to help you understand key concepts and make informed decisions.
1. What is GSTIN?
GSTIN (Goods and Services Tax Identification Number) is a unique 15-character identification number assigned to every registered taxpayer under GST in India. It is based on the PAN of the taxpayer.
2. How is GSTIN structured?
GSTIN structure: 2 digits (state code) + 10 characters (PAN) + 1 digit (entity number) + 'Z' + 1 check digit. Example: 27AAACB1234A1Z5 for Maharashtra-based entity.
3. Is GSTIN mandatory for all businesses?
GST registration is mandatory for businesses with turnover exceeding ₹40 lakh (₹20 lakh for services). It is also mandatory for e-commerce sellers, interstate suppliers, and certain other categories.
4. Can I verify GSTIN online?
Yes, you can verify GSTIN on the official GST portal (gst.gov.in) using the 'Search Taxpayer' feature. Our tool provides format validation; for complete verification, use the official portal.
5. What does the status 'Active' mean for GSTIN?
Active status means the GST registration is valid and the taxpayer can generate e-invoices and claim input tax credit. 'Cancelled' or 'Suspended' status means registration is not active.
6. Can one PAN have multiple GSTINs?
Yes, one PAN can have multiple GSTINs if the business operates in multiple states or has multiple business verticals. Each registration has a unique entity number (1-9) in the GSTIN.
7. Why should I verify GSTIN before B2B transactions?
Verifying GSTIN ensures you're dealing with a genuine registered business, helps prevent fraud, and ensures you can claim input tax credit correctly on purchases.
This GST verification tool fetches data from third-party APIs and GST portal. While we strive for accuracy, please verify critical details through the official GST portal at gst.gov.in. TaxGST.in is not responsible for any errors or omissions in the data.

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