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SIX BankMaster

IID 08565

Dreyfus Söhne & Cie AG, Banquiers, Basel

IID / BC-Nummer08565
InstitutionDreyfus Söhne & Cie AG, Banquiers
Institution typebank
IID typeheadquarters
Headquarters IID08565
SeatAeschenvorstadt 16, 4002 Basel
BICDREYCHBBXXX
Payment servicesSIC · RTGS CHF · euroSIC · LSV+/BDD CHF · LSV+/BDD EUR
SIC IID085650
QR-IID30229
Valid on2026-09-01

IBAN structure with this code

A Swiss IBAN is CH, two check digits, the five-digit IID, then a twelve-digit account part. When the institution holds a QR-IID, the QR-IBAN of a QR-bill carries that number in the same position.

CH47 0856 5000 0000 0000 1

Synthetic example: the account part is a placeholder, this IBAN belongs to nobody. It shows where the code sits inside the IBAN.

QR-IID 30229: a QR-IBAN with this number expects a QRR reference on the QR-bill.

What the API answers for this code

The block below is the route's own answer, produced by the same code that serves api.ibanforge.com, on the register as of the date shown. Nothing is edited.

{
  "iid": "08565",
  "found": true,
  "institution": {
    "name": "Dreyfus Söhne & Cie AG, Banquiers",
    "type": "bank",
    "iid_type": "headquarters",
    "headquarters_iid": "08565"
  },
  "address": {
    "street": "Aeschenvorstadt",
    "building_number": "16",
    "post_code": "4002",
    "town": "Basel",
    "country": "CH"
  },
  "bic": "DREYCHBBXXX",
  "payment_services": {
    "sic": true,
    "rtgs_chf": true,
    "instant_payments_chf": false,
    "eurosic": true,
    "lsv_bdd_chf": true,
    "lsv_bdd_eur": true
  },
  "sic_iid": "085650",
  "qr_iid": "30229",
  "qr_iid_source": "register",
  "valid_on": "2026-09-01"
}
Check an IBAN in the playgroundAudit a whole creditor fileSwiss clearing numbers (IID / BC-Nummer)

Source: SIX BankMaster, register as of 2026-09-01.