GB Code Changes in Hainan Province Code Name Year-Open Year-End =============================================================== 460001 Tongshi Shi 19880813 19921231 460021 Qiongshan 19880813 19921231 460022 Wenchang 19880813 19921231 460023 Qionghai 19880813 19921231 460024 Wanning 19880813 19921231 460025 Ding`an 19880813 19921231 460026 Tunchang 19880813 19921231 460027 Chengmai 19880813 19921231 460028 Lingao 19880813 19921231 460029 Dan Xian 19880813 19921231 460030 Baisha Lizu Zizhixian 19880813 19921231 460031 Changjiang Lizu Zizhixian 19880813 19921231 460032 Dongfang Lizu Zizhixian 19880813 19921231 460033 Ledong Lizu Zizhixian 19880813 19921231 460034 Lingshui Lizu Zizhixian 19880813 19921231 460035 Baoting Lizu-Miaozu Zizhixian 19880813 19921231 460036 Qiongzhong Lizu-Miaozu Zizhixian 19880813 19921231 460100 Haikou Shi 19880813 19921231 460101 Haikou Shixiaqu 19880813 19921231 460200 Sanye Shi 19880813 19921231 460201 Sanye Shixiaqu 19880813 19921231 460037 Xisha Qundao 19880813 19921231 460038 Nansha Qundao 19880813 19921231 460039 Zhongsha Qundaojiao Jiqi Haiyu 19880813 19921231 442101 Haiko Shi 19820101 19860530 441000 Haiko Shi 19820101 19921231 442221 Ya Xian 19820101 19840518 442200 Sanya Shi 19840519 19871119 442202 Tongshi Shi 19860612 19880412 442121 Qiongshan 19820101 19880412 442122 Wenchang 19820101 19880412 442123 Qionghai 19820101 19880412 442124 Wanning 19820101 19880412 442125 Ding'an 19820101 19880412 442126 Tunchang 19820101 19880412 442127 Chengmai 19820101 19880412 442128 Lingao 19820101 19880412 442129 Dan Xian 19820101 19880412 442227 Baisha 19820101 19871119 442228 Changjiang 19820101 19871119 442222 Dongfang 19820101 19871119 442223 Ledong 19820101 19871119 442226 Lingshui 19820101 19871119 442225 Baoting 19820101 19871119 442224 Qiongzhong 19820101 19871119 442229 Nanhai Zhudao 19820101 19880412 442227 Baisha Lizu Zizhixian 19871120 19880412 442228 Changjiang Lizu Zizhixian 19871120 19880412 442222 Dongfang Lizu Zizhixian 19871120 19880412 442223 Ledong Lizu Zizhixian 19871120 19880412 442226 Lingsui Lizu Zizhixian 19871120 19880412 442225 Baoting Lizu Zizhixian 19871120 19880412 442224 Qiongzhong Lizu Zizhixian 19871120 19880412 442201 Sanya Shixiaqu 19840101 19880412