Police Phonetic Alphabet Chart A–Z (Free Printable)

Over a radio, “B” and “D” and “V” and “P” and “T” all sound roughly the same. Add engine noise, wind, a siren, and a compressed digital signal, and a single misheard letter turns a licence plate into the wrong car and a surname into the wrong person. The phonetic alphabet exists to make that impossible. This guide gives you the complete A–Z chart police use, the pronunciations that matter, the older name-based alphabet you’ll still hear in some places, and how to actually use it without sounding like you’re reading off a card.

The short version: police in the United States and most of the English-speaking world use the NATO/ICAO phonetic alphabet — Alfa, Bravo, Charlie, Delta — the same standard used by aviation and the military. It’s one of the few pieces of police radio that’s genuinely consistent everywhere, which is exactly what makes it worth memorising.

The Complete Police Phonetic Alphabet Chart (A–Z)

This is the chart. Each letter has one word, and the words were chosen specifically because they don’t sound like each other, even badly degraded.

Print this table, tape it near your scanner, and within a week you won’t need it.

The Spellings That Look Like Typos (But Aren’t)

Two entries on that chart trip people up constantly, and both are deliberate.

Alfa, not “Alpha.” The “ph” spelling represents an F sound in English, but not in many other languages. Speakers of French, Spanish, Italian, and others would look at “Alpha” and reach for a P sound. Since the alphabet was built for international use, the spelling was changed to Alfa so the pronunciation survives the trip across languages.

Juliett, not “Juliet.” The extra T exists for French speakers, who would otherwise treat a final single T as silent — turning “Juliet” into “JEW-lee-ay.” The doubled T forces the consonant to be pronounced.

Neither is a mistake, and both tell you something about the alphabet’s design philosophy: every choice was tested against how real people, under stress, in noise, across accents, would actually say and hear the word.

How the Numbers Are Spoken

The alphabet handles letters, but plates, addresses, case numbers, and unit designations are full of digits — and digits have their own confusion problem. “Five” and “nine” are close cousins over a bad signal, and “three” is easily lost.

The aviation-standard pronunciations — “tree,” “fife,” “niner” — exist for the same reason as Alfa and Juliett. “Nine” and the German “nein” collide; “fife” separates cleanly from “nine”; “tree” avoids the soft TH that vanishes in noise. US police radio varies here: some officers use the full aviation pronunciations, many just say the numbers normally, and “niner” is the one that survives most often because the five/nine confusion is the most dangerous. Listen to your local feed and you’ll hear where your agency lands.

The Older Alphabet You’ll Still Hear

Before NATO standardisation, American law enforcement used a name-based alphabet, and it hasn’t disappeared. Some departments — the LAPD is the best-known example — still use it, and it survives almost everywhere inside unit call signs.

This is why an LAPD unit is “6-Adam-12” rather than “6-Alfa-12.” The call sign convention is a fossil that predates NATO and simply never got replaced, because changing every unit designation in a huge department is a lot of disruption for very little gain.

The practical upshot: a single transmission can contain both alphabets. An officer in a car identified as “Adam” can read a licence plate using “Alfa.” That’s not a contradiction — the old alphabet lives in the call sign, the modern one does the spelling work. If you’re following LAPD radio and this catches you out, you’re not mishearing it. Our guide to LAPD codes covers more of the department’s layered radio language.

Why a Phonetic Alphabet Exists At All

The problem it solves is older than police radio. Certain letters are acoustically near-identical, and they cluster into families that collapse under noise:

• B, C, D, E, G, P, T, V, Z — the “ee” family. Almost indistinguishable over a poor signal.
• F, S, X — hissing consonants that static eats alive.
• M, N — nasal, and easily swapped.
• A, J, K — the “ay” family.

Radio compresses audio and strips exactly the high-frequency detail that separates these sounds. Add a helicopter overhead or a running engine and the letters merge completely. But Bravo, Delta, Papa, and Victor share no common shape at all. Even if you only catch a syllable and a rhythm, you can reconstruct the word — and therefore the letter.

That redundancy is the whole design. A phonetic alphabet doesn’t make transmission clearer; it makes the message survivable when the transmission is already bad.

How the NATO Alphabet Came to Be

The version police use today was hard-won. Earlier alphabets were regional and inconsistent — one for the British military, another for American forces, others elsewhere — and they failed exactly where it mattered, in joint operations between people with different native languages.

In the 1950s, the International Civil Aviation Organization ran real testing, with speakers of multiple languages listening under simulated noise, to find words that held up universally. The result was adopted by NATO and by aviation worldwide, and from there it flowed into police, fire, EMS, maritime radio, and eventually call centres and customer service everywhere. When someone reads you a booking reference as “Sierra-Kilo-Nine,” you’re hearing the descendant of Cold War military testing.

This origin explains why the alphabet is the most standardised element of police radio while the codes around it are the least. The codes grew locally, department by department, with no central authority — which is why a 10-code can mean opposite things in two neighbouring counties, as our US 10-codes guide explains. The alphabet came from an international body that tested it and published it. One system was designed; the other accumulated.

Using It Properly

A few habits separate people who know the chart from people who can actually use it.

Say the letter, then the word, when clarity is at risk. “B as in Bravo” is common in ordinary speech, but on a working radio, officers usually just say the code word alone — “Bravo” — because the whole point is that the word is the letter. Reading a plate as “Bravo-Romeo-Tango, four-two-one” is faster and cleaner than narrating.

Never improvise a word. The chart is fixed for a reason. Substituting “Boston” for “Bravo” because it came to mind first breaks the one guarantee the system provides — that the listener already knows every possible word and only has to match, not interpret.

Slow down on the handoff. The failure point is rarely the words; it’s rushing them together. A short beat between groups — “Bravo-Romeo-Tango … four-two-one” — does more for accuracy than volume ever will.

Confirm anything consequential. Officers routinely read a plate back, and dispatch repeats it. The alphabet reduces error; the readback catches what’s left.

Who Else Uses This Chart

The alphabet’s reach goes far past policing, which is a point in favour of learning it once and keeping it forever. Fire services and EMS use it on shared incidents. Aviation runs on it, from tower to cockpit. Maritime radio uses it, alongside a set of flag meanings for the same letters. The military built it. And it’s quietly everywhere in civilian life — banks, airlines, and support desks all reach for it when a reference number has to be right the first time.

For police work specifically, it’s the connective tissue that lets agencies with completely incompatible code systems still communicate. Two departments might disagree about what 10-32 means, but they will both spell a suspect’s name identically. Our US police code category shows just how varied the code landscape is around this one shared constant.

Notes for Printing and Memorising

If you’re making this a wall chart, a few things help. Keep the letter, the word, and the pronunciation in three columns — the pronunciation column is what people actually need in week one, and it’s the first thing most charts omit. Put the number pronunciations underneath rather than on a separate sheet, since plates mix letters and digits and you’ll want both in one glance.

For memorising, don’t grind A to Z. Spell things you already know — your name, your plate, your street — and the chart embeds itself in a few days through use rather than repetition. Most people find the first ten letters stick almost immediately, the middle stretch takes a week, and Quebec, Uniform, and X-ray are the last holdouts.

A last note on why this matters beyond the hobby: if you’re listening to a scanner and hear a plate or a name spelled phonetically, you’re hearing the single most reliable part of the transmission. Everything else — the codes, the signals, the local shorthand — might mean something different than you assume. The letters won’t.

Using Police Code to Explore Further

Police Code is a global police code explorer that keeps the alphabet, the codes, and the signals in one organised, searchable place. Instead of one chart for the alphabet, a different list for your state’s codes, and a forum thread for the local quirks, you can look them up together and see how usage differs by agency and country. It’s free to browse and built for scanner listeners, journalists, writers, and anyone learning to read police radio. Start with the master police code lists, and if you want to see how a country that skipped numeric codes entirely handles all this, our UK police codes guide is a useful contrast — the alphabet is one of the few things both systems share.