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我们使用的电话号码是由10个阿拉伯数字(0～9)组成的,这10个阿拉伯数字是由全国统一编排的,有严格的规律性。电话号码的第一位数称为字头,按《全国电话号码编码制度》规定,“0”字头是供长途直拨电话业务使用的,凡使用国内国际长途直拨电话的用户,均必须先拨“0”;“1”字头为特种电话业务专用,如“119(火警)”,“120(急救台)”等;“9”字头为移动通信业务专用,如“大哥大”移动电话,均采用“9”字头电话
The phone numbers we use are made up of 10 Arabic numerals (0-9), which are all organized by the state with strict regularity. The first digit of the telephone number is called prefix. According to the “National Telephone Number Coding System”, the prefix “0” is used for long distance direct dial telephone service. Users who use domestic and international long distance direct dial telephone must dial “0”; “1” prefix for special telephone service, such as “119 (fire alarm)”, “120 (first aid station)” and so on; “9” prefix for the mobile communication business, such as “big brother” mobile phone , Are used “9” prefix phone