We are keeping them on the CB

Anyone who ever played cops-and-robbers as a kid, listened to a police scanner or watched TV shows such as "Dragnet" or "Adam-12" knows that "10-4" and other codes beginning with 10 are radio cop-speak for "OK," or "officer down" or "burglary in progress." But now it looks as if it's over-and-out for 10-codes. The Virginia State Police and some local police departments are dropping them and switching to plain English. ... Anyone who ever played cops-and-robbers as a kid, listened to a police scanner or watched TV shows such as "Dragnet" or "Adam-12" knows that "10-4" and other codes beginning with 10 are radio cop-speak for "OK," or "officer down" or "burglary in progress." But now it looks as if it's over-and-out for 10-codes. The Virginia State Police and some local police departments are dropping them and switching to plain English. CNN.com

We are not giving them up on the CB. Half the entertainment is poking fun at the people who don't know what your are talking about. I can understand the confusion. It reminds me of the phonetic alphabet. No to municipalities use the same words. The whole idea is that you don't need to use the same words.