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How to Read a CDNU Container Number (ISO 6346)
CDN
U
123456
7
Carrier Owner Code (CDL Leasing)
Equipment Category (U)
6-Digit Serial Number
Check Digit Verification
For accurate CDNU container tracking, every container follows the international ISO 6346 standard. The first three letters represent the BIC registered owner code for CDL Leasing. 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.
CDL Container Leasing Corporation & Prefix Directory
CDL Leasing
CDL Container Leasing CorporationCDL Container Leasing is a major Chinese container lessor providing dry freight, open-top, and flat rack containers to global ocean carriers and traders. Use our CDNU container tracking tool for real-time visibility across global maritime routes.
Track via CDL Leasing Carrier Page
Headquarters
Tianjin, China
Founded
1999
Global Fleet
200,000+ TEU
Carrier Alliance
Intermodal Leasing
All Registered CDL Leasing Container Prefixes (7)
Select any CDL Leasing container prefix to view dedicated prefix tracking, serial number anatomy, and container information.
Frequently Asked Questions About CDNU Container Tracking
What does the CDNU container prefix stand for?
CDNU is an official BIC-registered container prefix operated by CDL Container Leasing Corporation. The letters "CDN" identify the carrier, and "U" designates a standard ISO 6346 intermodal freight container.
How do I perform CDNU container tracking live?
Enter your full 11-character CDNU container number (e.g. CDNU1234567) into the tracking field above. TraceContainer will fetch real-time vessel schedules, port milestones, and container status.
Can I track all CDL Leasing container prefixes on TraceContainer?
Yes, TraceContainer supports live tracking across all registered CDL Leasing prefixes including CDLU, CDMU, CDNU, CDOU, CDPU, CDQU and more.