def region_codes_for_country_code(country_code):
    """Returns a list with the region codes that match the specific country calling code.

    For non-geographical country calling codes, the region code 001 is
    returned. Also, in the case of no region code being found, an empty
    list is returned.
    """
    regions = COUNTRY_CODE_TO_REGION_CODE.get(country_code, None)
    if regions is None:
        return ()
    else:
        return regions
dataset/ETHPy150Open daviddrysdale/python-phonenumbers/python/phonenumbers/phonenumberutil.py/region_codes_for_country_code/original