In North America it starts with three Numbers called the area code, followed by seven digits split into sections of three and four, which is the local number.

在北美，该号码的开头为3个数字，称为区号，然后是7个数字，分为两部分，一部分3个数字，一部分4个数字，这是本地号码。

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The FCC has agreed to extend by a year the period in which mobile operators must offer consumers local number portability.

FCC已经同意移动运营商必须向消费者提供本地号码可携性的期限延长一年。

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For example, if you are prompting for a phone number, you might allow users to enter a local number, a long-distance number, or an international number.

例如，当提示输入电话号码时，您可以允许使用者输入本地号码、长途电话号码或国际电话号码。

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For example, if you are prompting for a phone number, you might allow users to enter a local number, a long-distance number, or an international number.

例如，当提示输入电话号码时，您可以允许使用者输入本地号码、长途电话号码或国际电话号码。

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