Morse Code Numbers: Complete 0-9 Chart with Audio

Morse code numbers are one of the most elegant pieces of design in the entire system. Each numeral is exactly five symbols long, and the pattern is perfectly symmetric around the number 5. Numbers 1 through 5 begin with 1, 2, 3, 4, or 5 dots (followed by dashes to fill out five symbols); numbers 6 through 0 are the mirror image, beginning with 1, 2, 3, 4, or 5 dashes (followed by dots).

The pattern is easy to see at a glance:

1: .----      6: -....
2: ..---      7: --...
3: ...--      8: ---..
4: ....-      9: ----.
5: .....      0: -----

This symmetry was no accident. By making every numeral exactly five symbols long, Morse and Vail ensured that numbers would never be confused with letters, which are at most four symbols. If an operator hears five dots or dashes in a row, it must be a number; there is no letter that long. This fixed-length encoding principle is the same one used today in fixed-width barcodes and QR codes.

The mirror-symmetry around 5 also makes numbers easy to learn. Once you know 1 (.----) and 5 (.....), you automatically know 9 (----.) and 0 (-----) because they are the mirror images. Most learners can memorize all ten numerals in a single sitting.

Numbers are easier to learn than letters because of their symmetric structure, but they are also easier to confuse at high speed. A single missed dot turns 1 (.----) into 5 (.....), and a single missed dash turns 0 (-----) into 6 (-....). Clean keying matters.

1. Click each number's play button in order (0 through 9) and listen to the rhythm. Notice how 1 rises (dots then dashes) and 9 falls (dashes then dots).
2. Mix them up. Have a friend call out random numbers while you identify them by sound. Or use the practice trainer with the numbers character set.
3. Practice copying multi-digit sequences such as phone numbers, dates, and coordinates. Real Morse traffic often contains long runs of numbers (frequencies, times, signal reports), and the ability to copy them cleanly is a core operator skill.

Numbers show up constantly in real Morse communication. Ham radio operators exchange signal reports (599 means “perfectly readable, strong signal”), frequencies (7053 kHz), times (1400Z for 14:00 UTC), and grid-square locators (FN31pr for a chunk of Connecticut). Maritime traffic exchanged latitudes and longitudes as strings of digits. Weather reports, still transmitted as Morse by some coastal stations, are almost entirely numerical.

The standard procedure words <AS> (wait), <BK> (break), and <AR> (end of message) are prosigns, two letters sent as one with no inter-letter gap. They are not numbers, but they are often mixed with numbers in real traffic. Learning to copy them alongside numerals is part of becoming a fluent Morse operator.