Validate Norwegian social security numbers, bank account numbers, and electricity meter numbers.

This tool validates various Norwegian identification numbers using their official algorithms. All validation is performed client-side in your browser for privacy and security.

Social Security Number (Fødselsnummer)

Norwegian social security numbers are 11-digit numbers with a specific format and checksum validation.

Documentation: Skatteetaten - Fødselsnummer | MOD-11 Algorithm

Bank Account Number (Kontonummer)

Norwegian bank account numbers use MOD-11 checksum validation with specific formatting.

Documentation: Finanstilsynet - Kontonummer | Norges Bank - Betalingssystemer

Electricity Meter Number (Måler-ID/AMS-ID)

Norwegian electricity meter numbers follow specific validation rules for smart meters.

Documentation: NVE - Avanserte Måle- og Styringssystemer | Elhub - Målepunkt-ID

About the Validation

These validation algorithms implement the official Norwegian standards:

Additional Resources

All data is processed locally in your browser and never sent to any server.