Belgian bank code 577

IBAN structure with this code

A Belgian IBAN is BE, two check digits, the three-digit bank identifier, the seven-digit account number, then two national check digits (the first ten digits modulo 97). The identifier is what the NBB list can vouch for; the account number is known only to the bank.

BE52 5770 0000 0109

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": "CITIBEBX",
    "bank_name": "Citibank Europe Plc - Belgium Branch",
    "city": "BRUSSELS",
    "source": "Banque nationale de Belgique, bank identification codes (Protocol Secretariat)",
    "as_of": "2026-09",
    "basis": "national_register",
    "authoritative": true,
    "lei": "N1FBEDJ5J41VKZLO2475"
  },
  "bank_code_check": {
    "value": "577",
    "status": "verified",
    "match": "register",
    "register": "Banque nationale de Belgique, bank identification codes (Protocol Secretariat)",
    "authoritative": true,
    "institution": {
      "name": "Citibank Europe Plc - Belgium Branch",
      "street": null,
      "post_code": null,
      "town": null,
      "country": "BE"
    },
    "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": "Citibank Europe Plc - Belgium Branch",
    "classification": "default"
  },
  "risk_indicators": {
    "country_risk": "standard",
    "sepa_reachable": true,
    "vop_coverage": true,
    "test_bic": false
  }
}

Other codes of the same institution

• 570Citibank Europe Plc - Belgium Branch
• 571Citibank Europe Plc - Belgium Branch
• 572Citibank Europe Plc - Belgium Branch
• 573Citibank Europe Plc - Belgium Branch
• 574Citibank Europe Plc - Belgium Branch
• 575Citibank Europe Plc - Belgium Branch
• 576Citibank Europe Plc - Belgium Branch
• 578Citibank Europe Plc - Belgium Branch
• 579Citibank Europe Plc - Belgium Branch