diff --git a/lib/card_bins.js b/lib/card_bins.js
new file mode 100644
index 0000000..e9c11f4
--- /dev/null
+++ b/lib/card_bins.js
@@ -0,0 +1,112 @@
+const CARD_BINS = {
+  '400443': '40036',
+  '400820': '40131',
+  '402766': '40127',
+  '403707': '40002',
+  '404360': '40036',
+  '405306': '40002',
+  '409851': '40012',
+  '415231': '40012',
+  '416916': '40137',
+  '418914': '40072',
+  '418928': '40072',
+  '419821': '40127',
+  '421003': '40030',
+  '421316': '40021',
+  '426808': '40132',
+  '430967': '40021',
+  '433454': '40072',
+  '434798': '40058',
+  '455504': '40012',
+  '455509': '40012',
+  '455510': '40012',
+  '455511': '40012',
+  '457249': '40130',
+  '457476': '40136',
+  '460766': '40128',
+  '462974': '40036',
+  '465828': '40036',
+  '469693': '40133',
+  '473701': '40036',
+  '474174': '40058',
+  '474176': '40021',
+  '476588': '40072',
+  '476684': '40002',
+  '476687': '40002',
+  '477210': '40012',
+  '477211': '40012',
+  '477213': '40012',
+  '477214': '40012',
+  '477291': '40012',
+  '477292': '40012',
+  '481279': '37019',
+  '481515': '40012',
+  '481516': '40012',
+  '483030': '40021',
+  '483104': '40127',
+  '483112': '40127',
+  '491089': '40021',
+  '491282': '40021',
+  '491344': '37019',
+  '491566': '40072',
+  '491580': '40072',
+  '511114': '40072',
+  '512280': '40030',
+  '517439': '40012',
+  '517712': '40002',
+  '517721': '40002',
+  '518004': '40002',
+  '518853': '40002',
+  '518899': '40002',
+  '520021': '40002',
+  '520116': '40002',
+  '520416': '40002',
+  '520694': '40002',
+  '520698': '40002',
+  '522130': '40002',
+  '524711': '40002',
+  '525424': '40002',
+  '525678': '40002',
+  '526192': '37166',
+  '526354': '40127',
+  '526424': '40072',
+  '526476': '40042',
+  '526498': '40036',
+  '527333': '40036',
+  '528843': '40002',
+  '528851': '40002',
+  '529091': '40002',
+  '530056': '40002',
+  '534381': '40127',
+  '535875': '40012',
+  '535943': '40062',
+  '539975': '40036',
+  '539978': '40060',
+  '542015': '40012',
+  '542073': '40012',
+  '543924': '40138',
+  '545631': '40002',
+  '548234': '40002',
+  '548236': '40002',
+  '549138': '40002',
+  '549639': '40002',
+  '549949': '40002',
+  '551238': '40127',
+  '551507': '37166',
+  '553467': '40127',
+  '553800': '40113',
+  '554629': '40012',
+  '557604': '40127',
+  '557907': '40014',
+  '557908': '40014',
+  '557909': '40014',
+  '557910': '40014',
+  '557920': '40044',
+  '557922': '40044',
+  '558426': '40002',
+  '585678': '40002',
+  '854829': '40002',
+  '882290': '40002',
+};
+
+module.exports = { CARD_BINS };
diff --git a/lib/index.d.ts b/lib/index.d.ts
index 468497b..518e90e 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -1,9 +1,10 @@
 export const BANKS: Record<string, string>;
 export const BANK_NAMES: Record<string, string>;
+export const CARD_BINS: Record<string, string>;
 export function validateClabe(clabe: string): boolean;
 export function computeControlDigit(clabe: string): string;
-export function getBankName(clabe: string | null | undefined): string | null;
-export function getBankNameOrThrow(clabe: string): string;
+export function getBankName(account: string | null | undefined): string | null;
+export function getBankNameOrThrow(account: string): string;
 export function generateNewClabes(
   numberOfClabes: number,
   prefix: string,
diff --git a/lib/index.js b/lib/index.js
index 9225239..ab2404a 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,4 +1,5 @@
 const { BANKS, BANK_NAMES } = require('./banks.js');
+const { CARD_BINS } = require('./card_bins.js');
 
 const CLABE_LENGTH = 18;
 const CLABE_WEIGHTS = [3, 7, 1, 3, 7, 1, 3, 7, 1, 3, 7, 1, 3, 7, 1, 3, 7];
@@ -35,33 +36,60 @@ function validateClabe(clabe) {
     clabe.substring(CLABE_LENGTH - 1) === computeControlDigit(clabe);
 }
 
-function getBankName(clabe) {
+function getBankName(account) {
   /*
-  Devuelve el nombre del banco basado en los primeros 3 dígitos.
-  Devuelve null si la entrada es nula/vacía o si el código no está registrado.
-  Para mantener el comportamiento previo (lanzar excepción), usar getBankNameOrThrow.
+  Devuelve el nombre del banco basado en el tipo de cuenta:
+    - 18 dígitos: CLABE → busca por código ABM (primeros 3 dígitos)
+    - 15-16 dígitos: Tarjeta → busca por BIN (primeros 6 dígitos)
+  Devuelve null si la entrada es inválida o si el código no está registrado.
+  Para mantener el comportamiento estricto (lanzar excepción), usar getBankNameOrThrow.
   */
-  if (typeof clabe !== 'string' || clabe.length < 3) return null;
-  const code = clabe.substring(0, 3);
-  const bankName = BANK_NAMES[BANKS[code]];
-  return bankName === undefined ? null : bankName;
+  if (typeof account !== 'string' || account.length < 3) return null;
+
+  if (account.length === CLABE_LENGTH) {
+    const code = account.substring(0, 3);
+    const bankName = BANK_NAMES[BANKS[code]];
+    return bankName === undefined ? null : bankName;
+  }
+
+  if (account.length >= 15 && account.length <= 16) {
+    const bin = account.substring(0, 6);
+    const bankName = BANK_NAMES[CARD_BINS[bin]];
+    return bankName === undefined ? null : bankName;
+  }
+
+  return null;
 }
 
-function getBankNameOrThrow(clabe) {
+function getBankNameOrThrow(account) {
   /*
-  Versión estricta de getBankName. Lanza Error si la CLABE es inválida o si el
-  código no está registrado. Equivalente al comportamiento de getBankName antes
-  de la versión 1.3.0.
+  Versión estricta de getBankName. Lanza Error si la cuenta es inválida o si el
+  código no está registrado.
+  Soporta CLABEs (18 dígitos) y tarjetas (15-16 dígitos).
   */
-  if (typeof clabe !== 'string' || clabe.length < 3) {
-    throw new Error('CLABE inválida: debe ser un string de al menos 3 caracteres');
+  if (typeof account !== 'string' || account.length < 3) {
+    throw new Error('Cuenta inválida: debe ser un string de al menos 3 caracteres');
   }
-  const code = clabe.substring(0, 3);
-  const bankName = BANK_NAMES[BANKS[code]];
-  if (bankName === undefined) {
-    throw new Error('Ningún banco tiene este código ' + code);
+
+  if (account.length === CLABE_LENGTH) {
+    const code = account.substring(0, 3);
+    const bankName = BANK_NAMES[BANKS[code]];
+    if (bankName === undefined) {
+      throw new Error('Ningún banco tiene este código ' + code);
+    }
+    return bankName;
+  }
+
+  if (account.length >= 15 && account.length <= 16) {
+    const bin = account.substring(0, 6);
+    const bankName = BANK_NAMES[CARD_BINS[bin]];
+    if (bankName === undefined) {
+      throw new Error('Ningún banco tiene este BIN ' + bin);
+    }
+    return bankName;
   }
-  return bankName;
+
+  throw new Error('Cuenta inválida: debe ser CLABE (18 dígitos) o tarjeta (15-16 dígitos)');
 }
 
 function generateNewClabes(numberOfClabes, prefix) {
@@ -148,6 +176,7 @@ function removeBank(bankCodeBanxico) {
 module.exports = {
   BANKS,
   BANK_NAMES,
+  CARD_BINS,
   validateClabe,
   computeControlDigit,
   getBankName,
diff --git a/package-lock.json b/package-lock.json
index cb6fee0..d89754c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -280,7 +280,6 @@
       "integrity": "sha512-UVJyE9MttOsBQIDKw1skb9nAwQuR5wuGD3+82K6JgJlm/Y+KI92oNsMNGZCYdDsVtRHSak0pcV5Dno5+4jh9sw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -727,7 +726,6 @@
       "deprecated": "This version is no longer supported. Please see https://eslint.org/version-support for other options.",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.2.0",
         "@eslint-community/regexpp": "^4.6.1",
diff --git a/package.json b/package.json
index babb045..403556c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "clabe-js",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "Validate, generate and resolve bank names for Mexican CLABE numbers.",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
diff --git a/test/test.js b/test/test.js
index 89d1005..e7b3f77 100644
--- a/test/test.js
+++ b/test/test.js
@@ -16,6 +16,8 @@ const { expect } = require('chai');
 const VALID_CLABE = '002000000000000008';
 const INVALID_CLABE_CONTROL_DIGIT = '002000000000000007';
 const INVALID_CLABE_BANK_CODE = '000000000000000000'; // Control digit es valido
+const VALID_CARD_BBVA = '4152310000000000'; // BIN 415231 -> 40012 -> BBVA Mexico
+const VALID_CARD_BANAMEX = '5177120000000000'; // BIN 517712 -> 40002 -> Banamex
 
 
 describe('computeControlDigit', function () {
@@ -67,19 +69,47 @@ describe('getBankName', function () {
   });
 });
 
+describe('getBankName con tarjetas', function () {
+  it('resuelve BBVA Mexico para tarjeta con BIN 415231', function () {
+    expect(getBankName(VALID_CARD_BBVA)).to.equal('BBVA Mexico');
+  });
+  it('resuelve Banamex para tarjeta con BIN 517712', function () {
+    expect(getBankName(VALID_CARD_BANAMEX)).to.equal('Banamex');
+  });
+  it('retorna null para tarjeta con BIN desconocido', function () {
+    expect(getBankName('0000000000000000')).to.equal(null);
+  });
+  it('soporta tarjetas de 15 dígitos (Amex)', function () {
+    expect(getBankName('415231000000000')).to.equal('BBVA Mexico');
+  });
+  it('retorna null para longitudes no soportadas (10 dígitos)', function () {
+    expect(getBankName('4152310000')).to.equal(null);
+  });
+});
+
+
 describe('getBankNameOrThrow', function () {
-  it('returns bank name if code exists', function () {
+  it('returns bank name if code exists (CLABE)', function () {
     expect(getBankNameOrThrow(VALID_CLABE)).to.equal('Banamex');
   });
+  it('returns bank name for card number', function () {
+    expect(getBankNameOrThrow(VALID_CARD_BBVA)).to.equal('BBVA Mexico');
+  });
   it('throws when bank code is unknown', function () {
     expect(() => getBankNameOrThrow(INVALID_CLABE_BANK_CODE)).to.throw(Error);
   });
-  it('throws when CLABE is null', function () {
+  it('throws when card BIN is unknown', function () {
+    expect(() => getBankNameOrThrow('0000000000000000')).to.throw(Error);
+  });
+  it('throws when input is null', function () {
     expect(() => getBankNameOrThrow(null)).to.throw(Error);
   });
-  it('throws when CLABE is too short', function () {
+  it('throws when input is too short', function () {
     expect(() => getBankNameOrThrow('00')).to.throw(Error);
   });
+  it('throws when length is not CLABE nor card', function () {
+    expect(() => getBankNameOrThrow('4152310000')).to.throw(Error);
+  });
 });
 
 describe('addBank / removeBank', function () {