ISIN Validator
Instantly validate ISIN stock codes with this free validator built for everyday investors. Includes clear explanations so you can invest with confidence.
Explainer
ISIN is short for "International Securities Identification Number" and is a 12-character alphanumeric code that uniquely identifies securities globally.
Naming Convention
ISIN codes are only valid if they follow this naming convention:
First 2 characters
Country code (ISO 3166-1 alpha-2)
Next 9 characters
National Securities Identifying Number (NSIN)
Last character
Check digit (using the Luhn algorithm)
Additional Information
Scope
Global
Issuer
National Numbering Agencies (NNAs), overseen by the Association of National Numbering Agencies (ANNA)
Compliance Standard
ISO 6166
Also Useful
Heatmaps
Visualize movement of stocks, markets, indices and more.
Other Stock Code Validators
Validate ISIN, SEDOL, LEI and more.
Explainer
ISIN is short for "International Securities Identification Number" and is a 12-character alphanumeric code that uniquely identifies securities globally.
Naming Convention
ISIN codes are only valid if they follow this naming convention:
First 2 characters
Country code (ISO 3166-1 alpha-2)
Next 9 characters
National Securities Identifying Number (NSIN)
Last character
Check digit (using the Luhn algorithm)
Additional Information
Scope
Global
Issuer
National Numbering Agencies (NNAs), overseen by the Association of National Numbering Agencies (ANNA)
Compliance Standard
ISO 6166
Also Useful
Heatmaps
Visualize movement of stocks, markets, indices and more.
Other Stock Code Validators
Validate ISIN, SEDOL, LEI and more.