Buffalo a police car numbers

[Apx8000-23]

can anyone help me. understand the Buffalo Police car numbers I know first number has something to do with the shift

 

[WB9YBM]

can anyone help me. understand the Buffalo Police car numbers I know first number has something to do with the shift

The same thing here in the Chicago area, too. I think the next two numbers might be the vehicle number, but I'm not as sure about that one...

 

[Whiskey3JMC]

Per wiki page here...