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How to Read a CWOU Container Number (ISO 6346)
CWO
U
123456
7
Carrier Owner Code (Costco Wholesale)
Equipment Category (U)
6-Digit Serial Number
Check Digit Verification
For accurate CWOU container tracking, every container follows the international ISO 6346 standard. The first three letters represent the BIC registered owner code for Costco Wholesale. 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.
COSTCO WHOLESALE & Prefix Directory
Costco Wholesale
COSTCO WHOLESALECostco Wholesale is an authorized international intermodal container operator, providing reliable cargo equipment and intermodal transport worldwide. Use our CWOU container tracking tool for real-time visibility across global maritime routes.
Track via Costco Wholesale Carrier Page
Headquarters
Global Maritime Logistics
Founded
N/A
Global Fleet
Worldwide Container Fleet
Carrier Alliance
Independent Logistics Carrier
All Registered Costco Wholesale Container Prefixes (1)
Select any Costco Wholesale container prefix to view dedicated prefix tracking, serial number anatomy, and container information.
Frequently Asked Questions About CWOU Container Tracking
What does the CWOU container prefix stand for?
CWOU is an official BIC-registered container prefix operated by COSTCO WHOLESALE. The letters "CWO" identify the carrier, and "U" designates a standard ISO 6346 intermodal freight container.
How do I perform CWOU container tracking live?
Enter your full 11-character CWOU container number (e.g. CWOU1234567) into the tracking field above. TraceContainer will fetch real-time vessel schedules, port milestones, and container status.
Can I track all Costco Wholesale container prefixes on TraceContainer?
Yes, TraceContainer supports live tracking across all registered Costco Wholesale prefixes including CWOU and more.