code: function to3 (alpha2) {
      if (alpha2 && alpha2.length > 1) state = alpha2
      if (state.length !== 2) return state
      return ISOCodes.filter(function (row) {
        return row.alpha2 === state
      })[0].alpha3
    }
docs: Convert an ISO 3166-1 alpha-2 code to alpha-3
  
  @param  {String} alpha2 US
  @return {String}