他在老家河南省郑州市注册了户口。
He is registered in his home city of Zhengzhou in Henan province.
徐先生是家住中原地区河南省郑州市做调味品生意的市民。
The condiments businessman, surnamed Xu, is a resident in Zhengzhou city, central China's Henan Province.
中国大陆河南省郑州市二七区的邮政编码是450000。
The postcode of Erqi District, Zhengzhou City, Henan Province, China is 450000.
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