Answer: Henan Province
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The People's Republic of China Resident identity card is a document of citizenship used to prove residence in the People's Republic of China. Writing \"identity card\" before 1984.
The first 2: provincial address code
Beijing 11 Tianjin 12 Hebei 13 Shanxi 14 Inner Mongolia Autonomous Region 15 Liaoning 21
Jilin Province 22 Heilongjiang Province 23 Shanghai 31 Jiangsu Province 32 Zhejiang Province 33 Anhui Province 34 Fujian Province 35 Jiangxi Province 36 Shandong Province 37 Henan Province 41 Hubei Province 42 Hunan Province 43 Guangdong Province 44 Guangxi Zhuang Autonomous Region 45 Hainan Province 46 Chongqing City 50 Sichuan Province 51 Guizhou Province 52 Yunnan Province 53 Tibet Autonomous Region 54 Shaanxi Province 61 Gansu Province 62 Qinghai Province 63 Ningxia Hui Autonomous Region 64 Xinjiang Uygur Autonomous Region 65 Hong Kong Special Administrative Region 810000 Macao Special Administrative Region 820000 Taiwan Province 830000