Container prefix operated by COSCO Shipping Lines
Shanghai, China · Founded 1961 · 500+ vessels · 3.2M TEU
3 free shipments · No card required
What This Prefix Tells You
The first four characters of any container number identify its owner. CSNU containers belong to COSCO Shipping Lines (COSCO) — China's largest container shipping company and one of the world's top four carriers. These containers operate primarily on Asia–Europe, Transpacific, Intra-Asia, Middle East. When you're tracking a CSNU container, you're tracking cargo that moves through COSCO's fleet of 500+ vessels.
Owner
COSCO Shipping Lines
Headquarters
Shanghai, China
Fleet Size
500+ vessels
Capacity
3.2M TEU
Founded
1961
Main Routes
Asia–Europe, Transpacific, Intra-Asia, Middle East
Alliance
Ocean Alliance
Website
lines.coscoshipping.com
The Tracking Problem
COSCO updates their tracking system when milestones are logged — often hours or days after they occur. If your CSNU container is slow-steaming, anchored outside port, or stuck in a customs queue, the portal won't tell you until it's logged.
COSCO Portal
CargoPilot
Example CSNU Container Numbers
CSNU container numbers follow the ISO 6346 standard: four owner-code letters followed by six digits and a check digit.
Common Questions
The CSNU container prefix is the ISO 6346 owner code for COSCO Shipping Lines (COSCO), headquartered in Shanghai, China. COSCO Shipping Lines is China's largest container shipping company and one of the world's top four carriers. Founded in 1961, operating a fleet of 500+ vessels.
CSNU container numbers follow the ISO 6346 standard: four letters (CSNU) followed by six digits and a check digit — for example CSNU1234567 or CSNU9876543. The fourth letter is always U (freight containers), J (detachable equipment), or Z (trailers).
CSNU containers are operated by COSCO Shipping Lines (COSCO) primarily on Asia–Europe, Transpacific, Intra-Asia, Middle East. The carrier is part of the Ocean Alliance.
Stop checking COSCO's portal for status codes. CargoPilot watches the actual vessel and tells you what's changed — and what it means.
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