Police Phonetic Alphabet: The NATO Alphabet Code Used on Police Radio
The "police alphabet code" you hear on a scanner is the NATO phonetic alphabet — Alpha, Bravo, Charlie through Zulu — adopted by virtually every U.S. and Canadian law enforcement agency since the 1950s. It exists for a single reason: similar-sounding letters (B/D, M/N, F/S) are easy to mishear over a noisy radio channel, and assigning a unique word to each letter removes the ambiguity that costs seconds in real police work.
The full NATO police phonetic alphabet
Every letter, the word officers speak, and the official pronunciation. Practice by spelling your name, address, and license plate.
| Letter | Word | Pronunciation |
|---|---|---|
| A | Alpha | AL-fah |
| B | Bravo | BRAH-voh |
| C | Charlie | CHAR-lee |
| D | Delta | DELL-tah |
| E | Echo | ECK-oh |
| F | Foxtrot | FOKS-trot |
| G | Golf | golf |
| H | Hotel | hoh-TELL |
| I | India | IN-dee-ah |
| J | Juliet | JEW-lee-ETT |
| K | Kilo | KEE-loh |
| L | Lima | LEE-mah |
| M | Mike | mike |
| N | November | no-VEM-ber |
| O | Oscar | OSS-cah |
| P | Papa | pah-PAH |
| Q | Quebec | keh-BECK |
| R | Romeo | ROW-me-oh |
| S | Sierra | see-AIR-rah |
| T | Tango | TANG-go |
| U | Uniform | YOU-nee-form |
| V | Victor | VIK-tah |
| W | Whiskey | WISS-key |
| X | X-ray | ECKS-ray |
| Y | Yankee | YANG-key |
| Z | Zulu | ZOO-loo |
How officers actually use it
A typical traffic stop name check sounds like this: "Dispatch, 12-Adam-7, requesting wants and warrants on Sam Mike Echo Tango Hotel, first name Charlie Hotel Romeo India Sierra." Translation: the officer is running "Smith, Chris" through the dispatcher's records system. Each letter spoken as a NATO codeword removes any ambiguity about whether the surname is "Smith," "Smit," "Snith," or "Smyth."
The same phrasing applies to license plates ("Tag is Bravo Romeo Whiskey six six niner") and street addresses ("5530 Mike Alpha Papa Lima Echo, north of Main"). When you hear an unfamiliar word in the middle of a sentence on a scanner, the odds are it is a NATO codeword.
Older police alphabets you may still hear
Before NATO became universal in the 1956 standardization, U.S. departments used different alphabets. The most enduring is the LAPD alphabet — Adam, Boy, Charles, David, Edward, Frank, George, Henry, Ida, John, King, Lincoln, Mary, Nora, Ocean, Paul, Queen, Robert, Sam, Tom, Union, Victor, William, X-ray, Young, Zebra — which gave us "Adam-12" and is still occasionally heard in older Los Angeles-area transmissions and a handful of California departments that never switched.
The APCO alphabet, used historically by some federal agencies and a small number of legacy systems, used Adam, Boy, Charles, David through Zebra in a slightly different ordering. NATO is now the dominant standard across every modern police, fire, EMS, military, and aviation system in the U.S.
Numbers, decimals, and the "niner" rule
Numbers on the radio are spoken digit by digit, not as words. "Five-five-three-zero" rather than "fifty-five thirty." The number 9 is often pronounced "niner" — a holdover from military and aviation usage that prevents confusion with German "nein" (no) or with "five" in noisy conditions. Decimals are spoken as "point" — radio frequency 154.905 MHz becomes "one-five-four point niner zero five megahertz."
Where to hear it live
Any unencrypted police, fire, or EMS channel uses NATO phonetic alphabet routinely. If your local agencies are still operating in the clear, a basic scanner like the Uniden BC125AT or a software-defined radio paired with free decoder software will let you hear it in real working use. If your local agencies have encrypted, federal frequencies and aviation tower channels in your area will use the same alphabet and remain accessible.
See find scanner feeds your area for free streaming options that don't require buying hardware, and police 10 codes for the full radio codes list officers use alongside the phonetic alphabet.
Frequently Asked Questions
What is the police phonetic alphabet?
The police phonetic alphabet is the NATO phonetic alphabet — Alpha, Bravo, Charlie through Zulu — used by U.S. law enforcement to spell out names, license plates, and addresses on the radio. Using a single shared word for each letter eliminates the confusion between sound-alike letters (B and D, M and N) that is common over noisy radio channels.
Do all police departments use the same phonetic alphabet?
Most U.S. and Canadian agencies use the NATO phonetic alphabet adopted in 1956. Some older departments still occasionally use the LAPD alphabet (Adam, Boy, Charles, David...) or the APCO alphabet, but NATO is now the dominant standard for police, fire, EMS, military, and aviation in the United States.
Why do police use a phonetic alphabet at all?
Two reasons. First, similar-sounding letters (B/D/P, M/N, F/S) are easy to mishear over a radio channel; assigning a unique word to each letter removes ambiguity. Second, names spelled phonetically are recoverable even if part of a transmission is cut off — "Mike Alpha Romeo Yankee" survives partial signal loss in a way that "M-A-R-Y" does not.
Is "Adam-12" a police phonetic alphabet?
No. "Adam-12" is a unit identifier from the LAPD-style alphabet (Adam = A) used as a TV show name. The classic LAPD phonetic alphabet (Adam, Boy, Charles, David, Edward, Frank, George, Henry, Ida, John, King, Lincoln, Mary, Nora, Ocean, Paul, Queen, Robert, Sam, Tom, Union, Victor, William, X-ray, Young, Zebra) is still occasionally heard but has been largely replaced by NATO.
How do officers say numbers on the radio?
Numbers are typically spoken digit by digit. "Niner" is sometimes substituted for "nine" (a holdover from military and aviation usage) to avoid confusion with "five" in noisy conditions. Decimal points are often spoken as "point" — "frequency one fifty four point nine zero" rather than "one fifty four point nine."
Where can I hear the phonetic alphabet used live?
Any unencrypted police, fire, or EMS scanner channel will use it routinely during traffic stops, name checks, and address callouts. Aviation tower frequencies use the same alphabet. Live scanner feeds from cities that have not encrypted their radio systems are the easiest place to hear it in real working use.