CGMU → CMA CGM · carrier prefix
CGMU Container Tracking — CMA CGM-Owned Prefix
Track on cma-cgm.com — official CMA CGM tracker
CMA CGM is the French giant out of Marseille, third by fleet size and owner of the APL brand it bought in 2016 plus the intra-Asia specialist CNC.
The register mirrors those deals: alongside the core CMA codes sit three APL-heritage prefixes and the CNC brand code, all tracked on the one cma-cgm.com system.
4 letters + 7 digits, printed on the doors
CGMU check digit: worked example
C | G | M | U | 3 | 9 | 6 | 2 | 2 | 0 |
|---|---|---|---|---|---|---|---|---|---|
| 13 | 17 | 24 | 32 | 3 | 9 | 6 | 2 | 2 | 0 |
| ×1 | ×2 | ×4 | ×8 | ×16 | ×32 | ×64 | ×128 | ×256 | ×512 |
| 13 | 34 | 96 | 256 | 48 | 288 | 384 | 256 | 512 | 0 |
Sum 1887 → 1887 mod 11 = 6 → check digit 6 → CGMU 396220-6
CMA CGM prefix family
Tracking with CMA CGM
The cma-cgm.com tracker wants the number pasted into its form; deep links are not honoured.
Frequently asked questions
Who owns the CGMU container prefix?
CGMU is registered to CMA CGM, founded 1978 — one of 7 prefixes the line holds in the BIC register, alongside CMAU, ECMU, APZU.
How do I track a CGMU container?
Track CGMU containers free on the official CMA CGM tracker at cma-cgm.com — paste the full 11-character number (like the CGMU example on this page) and no account is needed.
Is CGMU 3962206 a valid container number?
Yes — CGMU 396220-6 passes ISO 6346 validation: the weighted letter-and-digit sum for CGMU396220 leaves remainder 6 mod 11, giving check digit 6. The worked table for this CGMU example is on this page.
Is CGMU a shipping line prefix or a leasing company prefix?
CGMU is a shipping-line (carrier) prefix — CMA CGM both owns the boxes and moves them, so owner and tracker are the same company.