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Understanding Your GSTIN: What Each Character Means

By RS digit · Published

A GSTIN is 15 characters long, and each part means something. Knowing the structure helps you spot typing mistakes on invoices.

Last reviewed:

PositionMeaning
1–2State code: 03 is Punjab, 04 Chandigarh, 06 Haryana
3–12The PAN of the registered person
13Registration number for that PAN in the state
14Usually "Z"
15Check digit calculated from the first 14 characters

Check a GSTIN

Our GSTIN format checker validates the structure and check digit. To confirm the registration is real and active, use Search Taxpayer on the GST portal.

References

Topics: GST

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