First, start with the international code 00.

一开始要拨国际长途电话号码00。

First, start with the international code 00.

一开始要拨国际长途电话号码00。

OK. Press 00 first.

好的，先拨00.

Could you please tell me the country code for the USA?

能不能告诉我美国的国家代码?

Could you please tell me the country code for the USA?

能不能告诉我美国的国家代码?