address code

例句：

1. 1.The address code is the unique identifier for a specific location.
   地址代码是特定位置的唯一标识。
2. 2. The post office uses the address code to deliver mail to the correct destination.
   邮局使用地址代码来将邮件投递到正确的目的地。
3. 3. The address code helps to ensure that the mail is delivered accurately and efficiently.
   地址代码有助于确保邮件准确且高效地送达。