1100 is the area code of Hangzhou, which is the capital of Zhejiang Province, located in the southeast coast, the north of Zhejiang Province, the lower reaches of Qiantang River and Hangzhou City.
1100 is the area code of Hangzhou, which is the capital of Zhejiang Province, located in the southeast coast, the north of Zhejiang Province, the lower reaches of Qiantang River and Hangzhou City.