Every 15-character GSTIN starts with a 2-digit state code. A GSTIN that begins with 21 is registered in Odisha. The next 10 characters are the business's PAN, followed by the entity number, the letter "Z" and a checksum digit.
Example: 21ABCDE1234F1Z5 → registered in Odisha, PAN ABCDE1234F.
Check any GSTIN's status, business profile and filing record in 10 seconds with the free GST Health Check.
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GST Registration ₹1,499 → 💬 Ask an Expert FreeUpdated 2026-06-11.