Morse Code Numbers 0 to 9

The pattern hiding in the digits

Each morse digit is exactly five symbols — every letter varies from one to five, but every digit is always five. That rigidity makes numbers the easiest part of the alphabet to recognize at speed. If you hear five pulses in a row, it's a digit, full stop.

There's also a clean progression. 1 through 5 is dots filling in from the left: .----, ..---, ...--, ....-, ...... 6 through 9 reverses — dashes filling in from the left: -...., --..., ---.., ----., and finally 0 is all dashes: -----. Learn the pattern once, you have all ten.

Why numbers stand out by ear

A well-sent morse digit has a distinctive cadence — five equal-weight pulses with no rhythm break. Letters have irregular timing (E is a single dot, T is a single dash, H is four rapid dots), but digits have a steady, almost metronomic pulse. Ham radio contesters lean on this: you can often copy call signs and serial numbers at higher speeds than plain text because the digits inside them have a recognizable shape even when the letters start to blur.

Abbreviations: cut numbers for speed

At high speed, ham operators sometimes use cut numbers — shorter letters that stand in for digits:

• T (-) for 0 — often stretched into one long dash
• A (.-) for 1
• U (..-) for 2
• V (...-) for 3
• E (.) for 5 — a single dit, the easiest cut to lose in noise
• D (-..) for 8
• N (-.) for 9
• 7 is cut to either B (-...) or G (--.) — published tables disagree, so listen for which one a station uses.
• 4 and 6 are usually sent in full; a few tables list V for 4 and B for 6.

You'll hear these in fast contest exchanges: “5NN” instead of “599.” Don't use them with non-contesters; they're context-specific shorthand.

Where numbers actually show up in morse

Digits aren't a niche corner of morse — on the air they are everywhere, which is why fluency with them matters as much as the letters:

• Callsigns. Every amateur-radio callsign contains at least one digit (KD1XYZ, W7AA, 2E0ABC) — so you cannot copy a single station's identity without reading a number cleanly.
• Contest exchanges. Fast contest contacts are mostly numbers — signal reports (“599”), serial numbers, zones — sent at speeds where the digit's steady five-pulse shape is the only thing keeping you on track.
• Grid locators and coordinates. Maidenhead grid squares (FN31, IO91) and any latitude or longitude passed by CW are digit-heavy, and a single misread number puts a station in the wrong place.
• Times and frequencies. Schedules, net times, and frequencies are all numerals — “meet on 7030 at 0100” is almost pure digits.

Patterns people mistake for digits

Most “what does this morse mean?” questions are about a digit with one element missing. Because every digit is five symbols long, a single dropped dit or dah turns it into a letter:

• 0 (-----) — Drop two dashes and --- is the letter O. They are easy to confuse on paper, never by ear: O is three dashes, zero is five.
• 1 (.----) — Remove the last dash and .--- is the letter J.
• 3 (...--) — Without its final dash it is ...-, the letter V (“three dots and a dash”); three dots alone are S.
• 4 (....-) — Four dots on their own are the letter H; add the dash back and you have 4.
• 5 (.....) — Four dots are H and three are S. Eight dots in a row are the error signal (HH) — seven dots mean nothing at all.
• 6 (-....) — Drop the last dot and -... is B.
• 7 (--...) — Drop the last dot and --.. is Z.
• 8 (---..) — Drop the first dash and --.. is Z again — 7 and 8 both contain it.

The rule that saves you: if you counted five symbols, it is a number. Anything shorter is a letter or a sloppy send. The alphabet page has every letter to compare.

Famous numbers, encoded

A handful of numbers get sent, engraved and searched far more than the rest. Here they are in international morse, with the reason people care:

• 73 — --... ...--: best regards — the standard CW sign-off
• 88 — ---.. ---..: love and kisses
• 599 — ..... ----. ----.: a perfect signal report (readability 5, strength 9, tone 9), sent as 5NN in contests
• 143 — .---- ....- ...--: “I love you” in pager shorthand (1, 4 and 3 letters) — not a morse convention
• 911 — ----. .---- .----: the US emergency number
• 112 — .---- .---- ..---: the emergency number across the EU

Want the words instead of the pager code? “I love you” in morse spells it out letter by letter.

Reading a five-element digit at speed

The trick to copying digits fast is to stop counting and start hearing the turn. Because 1–5 fill in with dots from the left and 6–0 fill in with dashes, the position where the pattern flips from dots to dashes tells you the value: ...-- turns after three dots, so it's 3; ---.. turns after three dashes, so it's 8. You never have to count all five — you catch where it changes direction. That single shortcut is why experienced operators can read a string of numbers at a speed that would be impossible if they were tallying dots one by one, and it's the fastest way for a learner to make the whole 0–9 set automatic.

Related

• Full morse alphabet A–Z
• Printable morse code chart (free PDF coming soon)
• Translate phrases containing numbers
• Learn morse code with the Koch method