05 18 is the telephone area code of Lianyungang, Jiangsu province, China, with a usage range of 76 14 square kilometers and a population of 5.07 million. The scope of use involves three counties of Guannan, Guanyun and Donghai, as well as three municipal districts of Haizhou, Li Anyun and Ganyu.
The telephone area code is basically arranged according to the administrative divisions in the late 1970s, from Nanjing to the east and then to the north, from southern Jiangsu to northern Jiangsu, and the order of the region first and then the provincial cities. 05 1 1 Zhenjiang, 05 12 Suzhou and Suzhou, 05 13 Nantong and Nantong, 05 14 Yangzhou, 05 15 Yancheng, 05 16 Xuzhou and. 0523,0527,0520 was added when 1994 telephone was upgraded to 7 digits.
Area code of Jiangsu Province:
1, Zhenjiang area code 05 1 1, administrative code 32 1 1, including Jingkou District, Runzhou District, Dantu District, Danyang City, Yangzhong City and jurong city City.
2. The area code of Suzhou is 05 12 and the administrative code is 3205, including gusu district, huqiu district, Wuzhong, Xiangcheng, Wujiang, Kunshan, Changshu, Zhangjiagang and Taicang.
3. The area code of Nantong is 05 13 and the administrative code is 3206, including Chongchuan District, Gangzha District, Tongzhou District, Rudong County, Rugao City, Haimen City, Qidong City and Hai 'an City.
4. The area code of Yangzhou is 05 14 and the administrative code is 32 10, including Guangling District, Hanjiang District, Jiangdu District, Baoying County, Yizheng City and Gaoyou City.
5. The area code of Yancheng is 05 15 and the administrative code is 3209, including tinghu district, Du Yan, Dafeng, Xiangshui, Binhai, Funing, Sheyang, jianhu county and Dongtai.
Refer to the above? Baidu Encyclopedia -05 18