York PA City Police used codes like these ("borrowed" from LAPD) in the in 70's and 80's.
The first two digits generally refer to UCI coding ie 01 = homicide, 02 = rape, etc. 24 series were disorderly conduct.
The final digit (which back in the day was said on air as "dash one" or "dash five") were "disposition codes" which went something like this:
- 1 event verified, no report , no arrest
- 2 event verified, report made, no arrest
- 3 event verified, no report, arrest made
- 4 event verified, report made, arrest made
- 5 event unverified, no arrest
1, 3, and 5 were the most frequently transmitted....if I recall after nearly four decades of disuse.