Ten codes, also known as 10 codes, are an important and enduring element of radio lingo, much like the main phonetic alphabet, police phonetic alphabet, and other radio-specific terms. Thanks to popular culture, even people who don’t use two-way radios are familiar with codes such as “10-4,” meaning “affirmative." (If you've ever visited our offices, you've likely heard these terms in use, particularly if you overheard a conversation with Shop Supervisor Emory Ludtke.)
Despite their pervasiveness in multiple industries and law enforcement, codes and other lingo are fading among certain radio users, leading some to wonder: Are ten codes a thing of the past for public safety? Let's take a look whether that's true, and why or why not.