Javascript ISO códigos de estados de México a Nombre. Este funciona con código ISO completo 'MX-XYZ' o código de tres letras 'XYZ' (referencia de códigos de: https://www.iso.org/obp/ui/#iso:code:3166:MX)

stateIsoToStateName.js

const isoStatesCodes = [
  {
    code: 'MX-AGU',
    name: 'Aguascalientes',
  },
  {
    code: 'MX-BCN',
    name: 'Baja California',
  },
  {
    code: 'MX-BCS',
    name: 'Baja California Sur',
  },
  {
    code: 'MX-CAM',
    name: 'Campeche',
  },
  {
    code: 'MX-CHP',
    name: 'Chiapas',
  },
  {
    code: 'MX-CHH',
    name: 'Chihuahua',
  },
  {
    code: 'MX-CMX',
    name: 'Ciudad de México',
  },
  {
    code: 'MX-COA',
    name: 'Coahuila de Zaragoza',
    variant: 'Coahuila',
  },
  {
    code: 'MX-COL',
    name: 'Colima',
  },
  {
    code: 'MX-DUR',
    name: 'Durango',
  },
  {
    code: 'MX-GUA',
    name: 'Guanajuato',
  },
  {
    code: 'MX-GRO',
    name: 'Guerrero',
  },
  {
    code: 'MX-HID',
    name: 'Hidalgo',
  },
  {
    code: 'MX-JAL',
    name: 'Jalisco',
  },
  {
    code: 'MX-MEX',
    name: 'México',
  },
  {
    code: 'MX-MIC',
    name: 'Michoacán de Ocampo',
    variant: 'Michoacán',
  },
  {
    code: 'MX-MOR',
    name: 'Morelos',
  },
  {
    code: 'MX-NAY',
    name: 'Nayarit',
  },
  {
    code: 'MX-NLE',
    name: 'Nuevo León',
  },
  {
    code: 'MX-OAX',
    name: 'Oaxaca',
  },
  {
    code: 'MX-PUE',
    name: 'Puebla',
  },
  {
    code: 'MX-QUE',
    name: 'Querétaro',
  },
  {
    code: 'MX-ROO',
    name: 'Quintana Roo',
  },
  {
    code: 'MX-SLP',
    name: 'San Luis Potosí',
  },
  {
    code: 'MX-SIN',
    name: 'Sinaloa',
  },
  {
    code: 'MX-SON',
    name: 'Sonora',
  },
  {
    code: 'MX-TAB',
    name: 'Tabasco',
  },
  {
    code: 'MX-TAM',
    name: 'Tamaulipas',
  },
  {
    code: 'MX-TLA',
    name: 'Tlaxcala',
  },
  {
    code: 'MX-VER',
    name: 'Veracruz de Ignacio de la Llave',
    variant: 'Veracruz',
  },
  {
    code: 'MX-YUC',
    name: 'Yucatán',
  },
  {
    code: 'MX-ZAC',
    name: 'Zacatecas',
  },
];

function stateIsoToStateName(isoCode) {
  const found = isoStatesCodes.find(iso =>
    iso.code.includes(isoCode.toUpperCase()),
  );

  if (found) {
    return found.variant || found.name;
  } else {
    return isoCode;
  }
}

export default stateIsoToStateName;