def name_for_valid_number(numobj, lang, script=None, region=None):
 return _prefix_description_for_number(CARRIER_DATA, CARRIER_LONGEST_PREFIX, numobj, lang, script, region)

def name_for_valid_number ( numobj , lang , script = None , region = None ) : return _prefix_description_for_number ( CARRIER_DATA , CARRIER_LONGEST_PREFIX , numobj , lang , script , region )
returns a carrier name for the given phonenumber object .