50 Most Common Police Codes and What They Mean

50 Most Common Police Codes and What They Mean

There are close to a hundred ten-codes on the books, plus response codes, signals, and penal codes stacked on top. Almost none of that matters for following a scanner. Real police radio runs on a small core of codes that repeat endlessly, and once you know those, the rest is occasional detail you can look […]

Why Do Police Say “10-4”? Meaning and Origin

Why Do Police Say 10-4 Meaning and Origin

“10-4” is the one police code almost everyone knows. It’s turned up in films, in trucker slang, in casual conversation, and in a thousand cop shows. But few people know what it actually means with precision, or the oddly specific piece of 1930s radio technology that explains why it starts with “ten.” This article covers […]

Texas Police 10-Codes – Complete State Guide

Texas Police 10-Codes - Complete State Guide

If you’ve listened to a Texas scanner or watched a trooper make a traffic stop, you’ve heard the shorthand: “10-4,” “10-50,” “show me 10-8.” These are ten-codes, the numbered radio signals Texas law enforcement uses to pass information quickly without tying up the channel. This guide lays out the codes used across Texas, who uses […]

Police Radio 10-Codes of the United States

 Police Radio 10-Codes of the United States

The police radio 10-code system represents one of law enforcement’s most enduring communication innovations. Developed in 1937 by Charles “Charlie” Hopper, the Communications Director for the Illinois State Police, these codes revolutionized how officers communicated over radio frequencies. During the early days of police radio technology, equipment was primitive by modern standards—transmitters were weak, receivers […]

Police Codes of United State – Browse Police Codes

Police Codes of the United States - Browse Police Codes

Have you ever listened to a police scanner or watched a crime show and heard officers using numbers like “10-4” or “Code 3”? These are police codes, and they are special number systems that law enforcement officers use to communicate quickly and clearly. In this guide, we will explore everything you need to know about […]