main cities of gansu: dunhuang, jiayuguan, lanzhou, wuwei, xiahe, zhangye, tianshui, yumen, jinchang
there are 60 cities connected with the automatic telephone network. the computer-controlled telephone exchanges in urban gansu feature 280,000 lines with the number of subscribers reaching 274,000. radio pager and cellular telephone systems have been established in various cities and towns. the annual volume of post and telecommunications reached 500 million yuan.
computer-controlled telephone exchanges have been established in the prefectural cities and cities above county level and automatic telephone exchanges, in county-level cities. digital telecommunications transmission has been realized in the provincial capital, prefectural cities, and cities above county level. people in lanzhou can directly dial all cities in china connected with the automatic telephone network and to more than 180 foreign countries. telecommunication gansu has entered into program-controlled telephone stage and the telecommunication network has linked all parts of the province with the volume of mobile telephones amounting to 1.3 million lines of the number-dialing telephone network, the public-number-grouping telephone network, the internet and other public mass media telecommunication network have opened successively and covered the prefectures and cities of the province.