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How to Read a CLBU Container Number (ISO 6346)
CLB
U
123456
7
Carrier Owner Code (Columbus Line)
Equipment Category (U)
6-Digit Serial Number
Check Digit Verification
For accurate CLBU 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.
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 CLBU 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 CLBU Container Tracking
What does the CLBU container prefix stand for?
CLBU is an official BIC-registered container prefix operated by Columbus Line (Hamburg Sued Group). The letters "CLB" identify the carrier, and "U" designates a standard ISO 6346 intermodal freight container.
How do I perform CLBU container tracking live?
Enter your full 11-character CLBU container number (e.g. CLBU1234567) 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.