public function getNameForValidNumber(PhoneNumber $number, $languageCode)
    {
        $languageStr = Locale::getPrimaryLanguage($languageCode);
        $scriptStr = '';
        $regionStr = Locale::getRegion($languageCode);

        return $this->prefixFileReader->getDescriptionForNumber($number, $languageStr, $scriptStr, $regionStr);
    }