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SIX BankMaster

IID 30033

Clientis Sparkasse Oftringen Genossenschaft, Oftringen

IID / BC-Nummer30033
InstitutionClientis Sparkasse Oftringen Genossenschaft
Institution typebank
IID typeother
Headquarters IID06428
SeatBaslerstrasse 1, 4665 Oftringen
BICRBABCH22428
Payment servicesSIC · RTGS CHF · Instant Payments CHF · euroSIC
SIC IID300331
QR-IID30033
Valid on2026-10-02

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.

CH04 3003 3000 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 30033: 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": "06428",
  "found": true,
  "institution": {
    "name": "Clientis Sparkasse Oftringen Genossenschaft",
    "type": "bank",
    "iid_type": "other",
    "headquarters_iid": "06428"
  },
  "address": {
    "street": "Baslerstrasse",
    "building_number": "1",
    "post_code": "4665",
    "town": "Oftringen",
    "country": "CH"
  },
  "bic": "RBABCH22428",
  "payment_services": {
    "sic": true,
    "rtgs_chf": true,
    "instant_payments_chf": true,
    "eurosic": true,
    "lsv_bdd_chf": false,
    "lsv_bdd_eur": false
  },
  "sic_iid": "300331",
  "qr_iid": "30033",
  "qr_iid_source": "register",
  "valid_on": "2026-10-02",
  "is_qr_iid": true,
  "note": "IID 30033 is a QR-IID (QR-bill range 30000–31999) of Clientis Sparkasse Oftringen Genossenschaft; the institution's standard IID is 06428."
}

Get this answer from your own software

The IBANforge API checks an IBAN and names the bank behind it, with its BIC when one is known, reading national registers such as the one on this page. Two ways to start without paying:

Keyless trial

Send an IBAN to POST /v1/iban/validate with no key at all, up to 25 times a week, on that route only. With this page’s example IBAN:

curl -X POST https://api.ibanforge.com/v1/iban/validate \
  -H "Content-Type: application/json" \
  -d '{"iban":"CH0430033000000000001"}'

Free key

200 requests a month on every endpoint once you add an e-mail address and confirm the code sent to it. With no address and no card, it starts at 25 requests a month, straight away.

Check an IBAN in the playgroundAudit a whole creditor fileSwiss clearing numbers (IID / BC-Nummer)

Source: SIX BankMaster, register as of 2026-10-02.