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Deutsche Bundesbank register

Bankleitzahl 38010900

KfW Ndl Bonn, Bonn

Bankleitzahl38010900
InstitutionKfW Ndl Bonn
Short nameKfW Bonn
BICDTABDED1XXX
Postcode53170
TownBonn
Statusactive
Successor BLZnone

IBAN structure with this code

A German IBAN is DE, two check digits, the eight-digit Bankleitzahl, then the ten-digit account number. The BLZ is what the register can vouch for; the account number is known only to the bank.

DE10 3801 0900 1000 0000 00

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

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.

{
  "valid": true,
  "bic": {
    "code": "DTABDED1XXX",
    "bank_name": "KfW Ndl Bonn",
    "city": "Bonn",
    "source": "Deutsche Bundesbank Bankleitzahlendatei",
    "as_of": "2026-09",
    "basis": "national_register",
    "authoritative": true,
    "lei": null
  },
  "bank_code_check": {
    "value": "38010900",
    "status": "verified",
    "match": "register",
    "register": "Deutsche Bundesbank Bankleitzahlendatei",
    "authoritative": true,
    "institution": {
      "name": "KfW Ndl Bonn",
      "street": null,
      "post_code": "53170",
      "town": "Bonn",
      "country": "DE"
    },
    "as_of": "2026-09"
  },
  "sepa": {
    "member": true,
    "schemes": [
      "SCT",
      "SDD",
      "SCT_INST"
    ],
    "vop_required": true,
    "vop_participant": false,
    "basis": "country_default"
  },
  "issuer": {
    "type": "bank",
    "name": "KfW Ndl Bonn",
    "classification": "default"
  },
  "risk_indicators": {
    "country_risk": "standard",
    "sepa_reachable": true,
    "vop_coverage": true,
    "test_bic": false
  }
}

Other codes of the same institution

Check an IBAN in the playgroundAudit a whole creditor fileGerman bank codes (Bankleitzahlen)

Source: Deutsche Bundesbank Bankleitzahlendatei, register as of 2026-09.