YMMU → Yang Ming · carrier prefix
YMMU Container Tracking — Yang Ming-Owned Prefix
Track on yangming.com — official Yang Ming tracker
Yang Ming is Taiwan’s number-two carrier, partly state-owned and a century-old name revived for container shipping; it ranks ninth worldwide.
Two registered codes cover the fleet and both resolve to the yangming.com cargo-tracking page.
4 letters + 7 digits, printed on the doors
YMMU check digit: worked example
Y | M | M | U | 7 | 3 | 5 | 3 | 0 | 2 |
|---|---|---|---|---|---|---|---|---|---|
| 37 | 24 | 24 | 32 | 7 | 3 | 5 | 3 | 0 | 2 |
| ×1 | ×2 | ×4 | ×8 | ×16 | ×32 | ×64 | ×128 | ×256 | ×512 |
| 37 | 48 | 96 | 256 | 112 | 96 | 320 | 384 | 0 | 1024 |
Sum 2373 → 2373 mod 11 = 8 → check digit 8 → YMMU 735302-8
Yang Ming prefix family
| Prefix | YMMU (this page) YMLU |
|---|
Prefix register verified against two independent sources on 2026-08-03.
Tracking with Yang Ming
yangming.com tracks by container or B/L from its e-service section; paste the number into the form.
Frequently asked questions
Who owns the YMMU container prefix?
YMMU is registered to Yang Ming, founded 1972 — one of 2 prefixes the line holds in the BIC register, alongside YMLU.
How do I track a YMMU container?
Track YMMU containers free on the official Yang Ming tracker at yangming.com — paste the full 11-character number (like the YMMU example on this page) and no account is needed.
Is YMMU 7353028 a valid container number?
Yes — YMMU 735302-8 passes ISO 6346 validation: the weighted letter-and-digit sum for YMMU735302 leaves remainder 8 mod 11, giving check digit 8. The worked table for this YMMU example is on this page.
Is YMMU a shipping line prefix or a leasing company prefix?
YMMU is a shipping-line (carrier) prefix — Yang Ming both owns the boxes and moves them, so owner and tracker are the same company.