What Is a 10-35 Police Code? 10-35 Police Code

The 10-35 police code meaning for the police forces is Confidential Information Or Open Window.

If you’ve ever listened to a police scanner or watched a law enforcement TV show, you’ve likely heard the term “10-35 Police Code” and wondered what it means. So, what is 10-35 police code? The 10-35 police code is commonly used by law enforcement agencies to signify “Confidential Information” or “Open Window.” This code helps officers quickly and discreetly convey critical information without lengthy explanations or the risk of sensitive details being overheard by the public or suspects.

The Meaning of 10-35 Police Code: Confidential Information or Open Window

The 10-35 police code serves a dual purpose, depending on the situation and the department’s internal code system. Most commonly, 10-35 means “Confidential Information,” indicating that the information being discussed is sensitive and should not be shared openly. In some contexts, especially during surveillance or field operations, 10-35 can also mean “Open Window,” referring to a potential security concern such as a visible or open point of entry.

This kind of terminology is part of a larger communication system known as ten-codes or 10-codes, developed to allow police officers, dispatchers, and emergency responders to communicate efficiently over the radio. These codes reduce the chances of misunderstanding, save time during emergency situations, and help maintain clarity and professionalism during operations.

Why Do Police Use Codes Like 10-35?

Using codes such as 10-35 instead of full sentences or explanations streamlines police communication. Here’s why it matters:

  • Efficiency: Instead of explaining that they have confidential intel or a potentially compromised location, officers simply say “10-35.”
  • Clarity: In high-stress situations, clear and concise language is critical. A standardized code like 10-35 avoids confusion.
  • Security: Codes protect sensitive information from being easily understood by the public or suspects listening in on radio transmissions.

What Is 10-35 Police Code?

The 10-35 police code stands for Confidential Information or Open Window, depending on the specific law enforcement context. Understanding what a 10-35 police code means helps shed light on how officers keep communication fast, secure, and effective. Whether you’re studying law enforcement procedures, monitoring a police scanner, or just curious about police terminology, knowing the meaning of codes like 10-35 adds a valuable layer to your understanding of police work.

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Welcome to the Ultimate Police Codes Lookup Resource—Including the 10-35 Police Code

Thank you for visiting our comprehensive Police Codes database—your go-to source for exploring and understanding U.S. police codes, including the 10-35 Police Code and many others. Whether you’re a law enforcement enthusiast, a student, or simply curious about how emergency communications work, our website has been carefully designed to provide accurate, detailed, and easily accessible information on police codes and signals used across the United States.

Discover All Police Codes in One Place

Our team has spent years researching and compiling information about law enforcement radio signals, 10-codes, and police scanner codes to create one of the most extensive online police code lookup tools. The 10-35 code is just one of dozens of commonly used codes, and here, you can discover their meanings, origins, and real-world applications.

From routine traffic stops to high-priority emergency situations, police departments rely on these codes for clear, fast, and efficient communication. By learning the meanings behind codes like 10-4 (Acknowledged), 10-7 (Out of Service), and 10-42 (End of Watch), you’ll gain insight into the critical language that helps officers coordinate daily operations and keep our communities safe.

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What Is the 10-35 Police Code?

The 10-35 Police Code is one of the many coded messages used by officers in various situations. While meanings can vary slightly depending on the region or department, 10-35 generally refers to “Major Crime Alert” or “Confidential Information”. This code can be heard on police scanners during critical or sensitive situations. Want to hear real-time usage? Use a police code scanner to listen in on public safety communications in your area.

History of Police Codes—From Morse to Modern Radio

The origins of police radio codes trace back to the late 1930s. The Association of Public-Safety Communications Officials-International (APCO) first proposed standardized brevity codes in 1935. Initially inspired by Morse code signals used by the U.S. Navy, these codes were designed to save time and reduce miscommunication during high-pressure situations.

By 1974, APCO expanded and formalized the system, creating the set of 10-codes still widely in use today. While some agencies have moved toward plain-language communication, these codes remain a vital part of law enforcement history and current practice.

Stay Informed—Explore More Police Codes

Whether you’re here to understand a specific term like 10-35, or you’re browsing out of curiosity, we invite you to explore our full database of U.S. police codes, radio signals, and APCO 10-codes. Keep learning, stay informed, and support the incredible work done by our emergency services every day.

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