Container prefix operated by CMA CGM Group
Marseille, France · Founded 1978 · 600+ vessels · 4.1M TEU
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What This Prefix Tells You
The first four characters of any container number identify its owner. CZLU containers belong to CMA CGM Group (CMA CGM) — the world's third-largest container shipping group, operating across 420 ports in 160 countries. These containers operate primarily on Asia–Europe, Transpacific, Indian Ocean, Americas. When you're tracking a CZLU container, you're tracking cargo that moves through CMA CGM's fleet of 600+ vessels.
Owner
CMA CGM Group
Headquarters
Marseille, France
Fleet Size
600+ vessels
Capacity
4.1M TEU
Founded
1978
Main Routes
Asia–Europe, Transpacific, Indian Ocean, Americas
Alliance
Ocean Alliance
Website
cma-cgm.com
The Tracking Problem
CMA CGM updates their tracking system when milestones are logged — often hours or days after they occur. If your CZLU container is slow-steaming, anchored outside port, or stuck in a customs queue, the portal won't tell you until it's logged.
CMA CGM Portal
CargoPilot
Example CZLU Container Numbers
CZLU container numbers follow the ISO 6346 standard: four owner-code letters followed by six digits and a check digit.
Common Questions
The CZLU container prefix is the ISO 6346 owner code for CMA CGM Group (CMA CGM), headquartered in Marseille, France. CMA CGM Group is the world's third-largest container shipping group, operating across 420 ports in 160 countries. Founded in 1978, operating a fleet of 600+ vessels.
CZLU container numbers follow the ISO 6346 standard: four letters (CZLU) followed by six digits and a check digit — for example CZLU1234567 or CZLU9876543. The fourth letter is always U (freight containers), J (detachable equipment), or Z (trailers).
CZLU containers are operated by CMA CGM Group (CMA CGM) primarily on Asia–Europe, Transpacific, Indian Ocean, Americas. The carrier is part of the Ocean Alliance.
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