该数据库包括邮政编码，城市名称，国家代码和电话区号在美国。

The database includes ZIP code, city name, state code and phone area code in United States.

youdao

该数据库包括邮政编码，城市名称，国家代码和电话区号在美国。

The database includes ZIP code, city name, state code and phone area code in United States.

youdao