There are several ways. There are several books or guides in publication. Radio Shack generally has several, or check your local library. There are several web site dedicated to "scanner" frequency list. There are also links to monitor local frequencies available through most major Local new stations (see their on line web site).
GO to your local RADIO SHACK store they should have a free frequency card for the scanning codes in your area.
Check the Radio Reference website.
Radio Reference.Com-database-state-county-agency
In order to find my favorite radio station, I had to find the right frequency.
Call your local police station and just ask them.
Google, or police websites, you may also want to find some from local police websites or federal websites. You can find most of these on local police websites.
Police scanner raidio shack find fiqency for emragency channel
More information about a police academy may be obtained by contacting local police departments. Local police departments will have information about training requirements.
Your local dealer has to pull the radio and hook it to a computer to find the code. It cannot be done with the radio in the vehicle.
check with your local police department or state police. they can check it........
Where exactly is your area? You can start by inquiring at the local police station. I bet they would be willing to help you for your questions about police training .
Look it up on the Internet or in the phone book or if you don't find it there, it is usually on the police car.