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Reverse Tax Code Calculation

Decode information from an existing Tax Code

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The reverse calculation provides approximate information based on the tax code. Last name and first name may not be exact.

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Since Reverse Tax calculator extracts personal details from an Italian fiscal code. Therefore it reveals date of birth, gender and municipality of birth. Consequently results appear instantly without any data storage.

What Is a Reverse Tax Code
and How Does It Work?

Imagine you have a CF on a document, this online Reverse Tax Code tool will breaks it into segments. Therefore you learn the birth year from characters seven and eight. Furthermore the day and gender come from positions ten and eleven.

How Each Segment of the Italian Tax Code Is Decoded

Since Italian Tax Code online uses distinct rules per segment. Because the first three characters represent surname consonants. Therefore the month uses letters with M for August and one must subtract forty for female day values over forty.

What Information Can You Extract?

Because Reverse Tax Code reveals specific details. Since it shows the full date of birth. Consequently gender and the municipality or foreign state appear accurately with complete reliability.

Limitations of Reverse Tax Code Decoding

Although Italian Tax Code online cannot recover everything. Because full name is not encoded completely. Therefore only partial letters are present so full name reconstruction remains impossible.

Can I get the full name from a reverse tax code?

Because Reverse Tax Code does not allow full name retrieval. Since only the first three consonants or vowels are stored. Therefore the complete name cannot be reconstructed from it.

Security & Privacy

Well, our online tax code calculator ensures privacy. Since all calculations happen in the browser locally. As a result no data is saved or transmitted and your personal data stays on your device.

What can you discover?

👤 Surname consonants
✍️ Name consonants
Gender (Male/Female)
📅 Complete birth date
📍 Birth municipality and province
Code validity

⚠️ Reverse calculation limitations

  • • Last name and first name cannot be determined with certainty
  • • The calculation only provides the extracted consonants
  • • The birth year may be ambiguous (1900 vs 2000)
  • • For official information, consult the Revenue Agency

Need to calculate your CF?

Use the direct calculator by entering your personal data.

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