While specific numeric codes can change with game updates (such as version 0.1.6 or 0.1.7), the following types of commands are standard for those looking to boost their progress:
A city might have 50,000 manholes. Without unique codes, how do you know which one has a cracked lid? How do you schedule cleaning for a clogged storm drain? The code links the physical hole to a digital database containing its age, depth, material, and maintenance history. hole house codes