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IBANforge
Deutsche Bundesbank register

Bankleitzahl 50040048

Commerzbank GF-F48, Frankfurt am Main

Bankleitzahl50040048
InstitutionCommerzbank GF-F48
Short nameCommerzbank FFM GF-F48
BICCOBADEFFXXX
Postcode60005
TownFrankfurt am Main
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.

DE32 5004 0048 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": "COBADEFFXXX",
    "bank_name": "Commerzbank GF-F48",
    "city": "Frankfurt am Main",
    "source": "Deutsche Bundesbank Bankleitzahlendatei",
    "as_of": "2026-09",
    "basis": "national_register",
    "authoritative": true,
    "lei": "851WYGNLUQLFZBSYGB56"
  },
  "bank_code_check": {
    "value": "50040048",
    "status": "verified",
    "match": "register",
    "register": "Deutsche Bundesbank Bankleitzahlendatei",
    "authoritative": true,
    "institution": {
      "name": "Commerzbank GF-F48",
      "street": null,
      "post_code": "60005",
      "town": "Frankfurt am Main",
      "country": "DE"
    },
    "as_of": "2026-09"
  },
  "sepa": {
    "member": true,
    "schemes": [
      "SCT",
      "SDD",
      "SCT_INST"
    ],
    "vop_required": true,
    "vop_participant": true,
    "basis": "epc_register"
  },
  "issuer": {
    "type": "bank",
    "name": "Commerzbank GF-F48",
    "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.