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.

LetterWordPronunciation
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.