def country_code_for_region(region_code):
    if not _is_valid_region_code(region_code):
        return 0
    return country_code_for_valid_region(region_code)
Returns the country calling code for a specific region.
dataset/ETHPy150Open daviddrysdale/python-phonenumbers/python/phonenumbers/phonenumberutil.py/country_code_for_region