Here is a list af those codes. I found them on this link.
www.bearcat1.com
When you go to the link go to the frequency sampler and click on the list of 10 codes and for what state you want.
AKRON POLICE DEPARTMENT
1 PERSONAL
2 MEET A PARTY
3 LUNCH
4 DRUNK
5 EMERGENCY TRAFFIC
6 HOLD-UP
7 BURGLARY
8 ACCIDENT
9 SUSPICIOUS PERSON
10 FIGHT
11 TAMPERING WITH MOTOR VEHICLE
12 MAKE A REPORT
13 PRISONER
14 TRAFFIC COMPLAINT
15 JUVENILE
16 INJURED ANIMAL
17 MAKE A PHONE CALL TO ---
18 COME TO STATION
19 BOMB THREAT
20 FIRE
21 OFFICER NEEDS HELP
22 DROWNING
23 IN SERVICE
24 IN COURT
25 FELONY WARRANT
26 MISDEMEANOR WARRANT
27 FELONY WARRANT
28 CALL HOME
29 OUT OF SERVICE FOR REPAIRS AT ---
30 SUICIDE
31 LOCATION
32 AMBULANCE CALL
33 SHOOTING
34 CUTTING
35 SEND TOW TRUCK
36 SEND WAGON
37 ALARM
38 SHOPLIFTER
39 TRAFFIC STOP
40 SPECIAL DETAIL
41 CAUTION (FIGHTER OR RUNNER)
42 TO FALLSVIEW
43 DISTURBED PERSON (MENTAL CASE)
49 CHANGE LOCATION
50 ON THE AIR
52 OFF THE AIR
53 LIMIT CONVERSATION
54 AT YOUR CONVENIENCE
55 AS SOON AS POSSIBLE
56 AWAY FROM HOME
57 CHECK - IN PATROL
58 SALES CALL
59 RETURNED HOME
60 IMPROPER RADIO PROCEDURES
61 SWAT TEAM
NOTE: MOST POLICE DEPARTMENT SIGNALS ARE SIMILAR TO AKRON'S