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How to Read a CLDU Container Number (ISO 6346)
CLD
U
123456
7
Carrier Owner Code (Columbus Line)
Equipment Category (U)
6-Digit Serial Number
Check Digit Verification
For accurate CLDU container tracking, every container follows the international ISO 6346 standard. The first three letters represent the BIC registered owner code for Columbus Line. The 4th character is always U denoting an intermodal freight container, followed by a unique 6-digit serial number and a calculated check digit for tracking verification.
Recently Tracked CLDU Container Numbers
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Real-World CLDU Container Search Examples
Click any verified CLDU container number below to instantly launch live milestone and vessel tracking.
CLDU9701647
Track
CLDU9718341
Track
CLDU9709777
Track
CLDU9710910
Track
CLDU9615467
Track
CLDU9701293
Track
CLDU9700240
Track
CLDU9701122
Track
CLDU2173403
Track
CLDU9709102
Track
CLDU9619987
Track
⚡ Auto-updating Directory: Whenever a new CLDU container is tracked on TraceContainer, it is automatically cataloged in this verified prefix index.
Columbus Line (Hamburg Sued Group) & Prefix Directory
Columbus Line
Columbus Line (Hamburg Sued Group)Columbus Line, part of Hamburg Sued (now Maersk Group), provides specialized container liner services between North America, South America, and Australia. Use our CLDU container tracking tool for real-time visibility across global maritime routes.
Track via Columbus Line Carrier Page
Headquarters
Hamburg, Germany
Founded
1970
Global Fleet
40+ vessels
Carrier Alliance
Maersk Group
All Registered Columbus Line Container Prefixes (5)
Select any Columbus Line container prefix to view dedicated prefix tracking, serial number anatomy, and container information.
Frequently Asked Questions About CLDU Container Tracking
What does the CLDU container prefix stand for?
CLDU is an official BIC-registered container prefix operated by Columbus Line (Hamburg Sued Group). The letters "CLD" identify the carrier, and "U" designates a standard ISO 6346 intermodal freight container.
How do I perform CLDU container tracking live?
Enter your full 11-character CLDU container number (e.g. CLDU1234567) into the tracking field above. TraceContainer will fetch real-time vessel schedules, port milestones, and container status.
Can I track all Columbus Line container prefixes on TraceContainer?
Yes, TraceContainer supports live tracking across all registered Columbus Line prefixes including CLBU, CLDU, CLEU, CLFU, CLGU and more.