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为什么有些城市的电话号码特别长?

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为什么有些城市的电话号码特别长?

每一bu电话机必须有一个独一无二的号码才能互相接通。为了实现电话间的自动拨号,电话号码的编排必须符合国际电话电报咨询委员会对国际电话号码编号的规则。国际电话号码是由国家代码、国内长途区号、电话局号和用hu号码组成的,采用不等位编号,总的号长不超过15位。所以,国家代码和长途区号短的城市,市内电话号码就长。而一个城市电话网的号码编排,与电话普及率有关,电话数量少,号码的位数也少。我国的电话号码不超过10位,并规定,首位号码为"0",用作长途自动拨号代码;首位号码为"00",用作国际长途自动拨号代码, "1"用作各zhong特别服务代码,例如: 112 表示障碍台,119表示火警台等。

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