A random letter and number generator produces an alphanumeric result — a mix of letters and digits — instead of letters alone. It's a common need for seat or locker assignments, quick reference codes, placeholder IDs, and classroom activities that combine letter and number picks (like "row C, seat 4").
Why letters and numbers get requested together
Plenty of real-world formats mix the two: license plates, product SKUs, classroom grid coordinates, and simple game codes. If your use case is really "I need one random letter and one random number," the two picks don't need to come from the same tool — they just both need to be fair.
Getting the letter half
Use our random letter generator for the letter portion — it draws from A–Z with an equal chance per letter, supports vowels-only or consonants-only pools, and can generate up to 5 letters if your format needs more than one.
Getting the number half
For the number portion, any fair digit picker works — a 0–9 or 1–100 random number generator, depending on your range. Pair its result with the letter from our generator to build your alphanumeric code, for example "letter: K" + "number: 07" → "K-07".
Common uses for a combined pick
- Classroom seating charts or grid-based activities (row + seat)
- Simple raffle or bingo-style codes
- Placeholder IDs or test data for development, alongside our Python or Java code snippets
- Game rounds where a letter sets the theme and a number sets the difficulty or round count
Need just the letter, fast?
If you only need the letter side of an alphanumeric pick, skip straight to the random letter generator — no need to load a separate combined tool for a one-letter draw.