What is the postal code of Santa Cruz, Bolivia?

The information found on the Internet shows that the international postal code of Bolivia is 999 158, but it has not been adopted.

In fact, international mail sent from Chinese mainland to foreign countries (including Bolivia) can be delivered to Bolivia without filling in Bolivia's postal code 999 158, which was confirmed when we telephoned the post office1185.

In order to facilitate delivery in Bolivia, it is necessary to write down the detailed address in the local language used in Bolivia, and it is best to fill in the local postal code of Bolivia for distribution by Bolivia post office and delivery by postman.