---
id: "no_kontonr"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["finances"]
country: ["NO"]
langs: ["no"]
quality: 93
url: "http://registry.apicrafter.io/datatype/no_kontonr"
---

# Norwegian bank account number (kontonummer) (`no_kontonr`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Kontonummer, the 11-digit bank account number in Norway: a 4-digit bank code, six digits for the account and a modulo 11 check digit. It is usually written with dots after the fourth and sixth digits.

- Parent datatype: `bankaccount`
- Personal data (PII): no
- Categories: Finances and banking (finances)
- Countries: Norway (NO)
- Languages: Norwegian (no)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^\d{4}[. ]?\d{2}[. ]?\d{5}$
```

## Examples

- `63774914465` — Synthetic number with a valid check digit
- `43296503003` — Synthetic number with a valid check digit
- `6377.49.14465` — The first example in its printed form
- `637749144657` (invalid example) — One character too many

## Mappings

- dpv: `pd:BankAccount`
- stdnum: `no.kontonr`

## Supported by tools

- `dataprep`
- `pythonstdnum`

## Translations

- no: Kontonummer

## Sources

- other: <https://www.ecbs.org/iban/norway-bank-account-number.html>
- other: <https://arthurdejong.org/python-stdnum/doc/2.2/stdnum.no.kontonr.html>
- other: <https://docs.dataprep.ai/user_guide/clean/clean_no_kontonr.html>

## Quality

Score 93/100. Missing: authoritative source link.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/no_kontonr.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/NO/finances/no_kontonr.yaml>