依照贯例,我国首位为“1”的电话号码主要用于紧急业务和公益业务,因此是全国统一的专用接入码,也是各通信网络间互通的接入码和社会服务号码。现将这类电话号码介绍如下: 111 市话线路员与测量台联系 112 障碍申告 113 国内人工长途挂号 114 电话查号 115 国际人工长途挂号和查询 According to the convention, the first “1” phone number in our country is mainly used for emergency services and public service businesses. Therefore, it is a unified national access code and an access code and social service number for interoperability among various communication networks. This type of telephone number is now described as follows: 111 local telephone linemen and measuring stations contact 112 obstruction 113 domestic long distance registration 114 telephone check 115 international long distance registration and inquiry