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Identique

IcelandIcelandic Identification Number (kennitala)

Also known as: Icelandic identification number · kennitala · kt.

Specification

Format

This number has no simple display mask — its structure is defined by validation rules. See the references below for details.

Length
10 characters
Checksum
Yes

Check digits are recomputed and verified.

Embedded data
Yes

A valid number encodes details such as birth date, gender, or region. The validator extracts them locally in your browser.

Sample test value
2906231979

This value was randomly generated to satisfy the format and check-digit rules. It is not a real ID and does not belong to any person.

Ready to check a number?

Validate a Iceland Icelandic Identification Number (kennitala) now — it runs in your browser and the number never leaves your device.

Try it in the validator

Validation rules for Iceland come from the open-source idnumbers library. Report a format issue on GitHub