postal code

例句：

1. 1.The postal code is 50001, which means it's in the city center.
   邮政编码是50001，意味着它位于市中心。
2. 2.The postal code is 90210, and it's located in the suburbs.
   邮政编码是90210，它位于郊区。
3. 3.I need to find out the postal code for the address on my letter.
   我需要找到信上地址的邮政编码。