Across the country, police departments are switching their radios to encrypted systems that the public cannot hear — and we think communities lose more than they gain when it happens. For most of a century, anyone could turn on a scanner and hear their own town's police, fire, and rescue traffic in real time. That openness wasn't an accident or an oversight. It was a working part of American public safety, and it's disappearing one city-council decision at a time.
How fast it's spreading
By our count, 818 US counties — 26% of the country, home to about 68% of Americans — now have at least one law-enforcement agency that encrypts its routine dispatch. It is overwhelmingly a big-city trend: of the 50 most populous counties, 42 have at least one agency that has gone dark. The full numbers, methodology, and sources are in our State of Police Scanner Coverage report.
The case departments make
To be fair to the other side: agencies cite officer safety, the privacy of victims and witnesses whose names and addresses go out over the air, and data-security rules for records traffic. Those concerns are legitimate. The question is whether they justify locking the public out of everything — because there are narrower fixes, and plenty of agencies use them.
What a community loses when dispatch goes dark
Independent reporting
Local newsrooms have relied on scanners for generations — it is how reporters learn about the fire, the crash, and the standoff while it's happening, not hours later in a press release. When dispatch encrypts, the public's picture of local emergencies narrows to exactly what officials choose to release, on the timeline they choose. Whatever you think of the press, a town where news of public events flows only through official statements is less informed, full stop.
Real-time safety information
During fast-moving emergencies — wildfires, floods, tornado outbreaks — scanner listeners routinely hear evacuation and road-closure traffic minutes before official alerts reach their phones, and radios keep working when cell networks fail. Those minutes matter. Encrypting dispatch takes that early warning away from the people closest to the danger.
The volunteers
Storm spotters, search-and-rescue volunteers, volunteer firefighters, tow operators, and amateur radio operators who support emergency communications all listen to public-safety traffic to know when and where they're needed. Dark airwaves make every one of those roles harder.
Trust
Open dispatch was a daily, unglamorous form of transparency: anyone could verify what their police department was doing in their name. Removing it — usually with little public debate — asks communities to accept less visibility at a moment when trust between police and public needs more of it, not less.
There's a middle ground, and many agencies already use it
This isn't all-or-nothing. Plenty of departments encrypt tactical operations, investigations, and records channels — where the safety and privacy arguments are strongest — while keeping routine dispatch open. Others provide delayed or live public feeds. Those approaches answer nearly every concern departments raise without cutting the public off. When full encryption is proposed in your town, that's the alternative worth asking about, out loud, at the council meeting where the decision actually gets made.
If your area is still open, listen while you can
Most of the country's airwaves are still open — especially outside the biggest metros, and almost everywhere for fire, EMS, and weather. If you've been meaning to hear what's happening in your own neighborhood, the practical advice is simple: find out what's receivable where you live, and start listening while the window is open.
Frequently asked questions
Why are police departments encrypting their radios?
Departments usually cite officer safety, victim and witness privacy, and data-security policies for records channels. Those are real concerns — but full dispatch encryption goes far beyond them, and many agencies address the same concerns by encrypting only tactical and records channels while leaving routine dispatch open.
Can any scanner receive encrypted police radio?
No. Once a channel is encrypted, no scanner at any price can receive it. Be wary of any product that claims it can — it cannot, and sellers who promise otherwise are misleading you. That honesty is also why we tell every customer to check their area before buying.
Is police radio encryption required by law?
No nationwide law requires police to encrypt dispatch. Some agencies cite data-security policies that apply to records and database traffic, but encrypting routine dispatch is a local choice — which is why neighboring towns often make opposite decisions.
Are all police departments encrypted now?
Far from it. About 26% of US counties have at least one agency known to encrypt routine dispatch, which means roughly three-quarters do not appear on that record at all. Fire, EMS, and weather channels also remain open in most of the country, even where police have gone dark.
How do I find out if my area is encrypted?
Enter your ZIP code in our free coverage checker and it will tell you what's receivable where you live — before you spend anything on equipment.
See the full 2026 coverage data → | Do scanners still work? →
