Live GST Number Checker
Verify GST numbers instantly with real-time validation
GST Number Validation
About GST Number Validation
What is GSTIN?
GSTIN (Goods and Services Tax Identification Number) is a unique 15-digit identification number assigned to every taxpayer registered under GST.
GSTIN Format
- First 2 digits: State code
- Next 10 digits: PAN number
- 13th digit: Entity number
- 14th digit: 'Z' by default
- 15th digit: Check code