Container Prefix Directory
WESU Container Prefix Owner
WESU is a container owner code associated with Western. Learn how BIC container prefixes identify equipment owners and operators.
- Prefix
- WESU
- Owner or operator
- Western
The four-letter prefix WESU appears at the start of ISO container identification numbers and is associated with Western.
A complete container number combines the owner prefix, six-digit serial number, and check digit. The prefix identifies registered equipment ownership and does not always identify the carrier currently transporting the container.
Use the CargoEnter container validator to check the number structure before starting shipment tracking.
WESU container number format
A container number starting with WESU has the four-letter prefix, a six-digit serial number, and one check digit, for example WESU1234567.
Who uses WESU containers
WESU is registered to Western. Leased or exchanged equipment can move with a different shipping line, so the prefix alone does not identify the carrier of a shipment.
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Frequently asked questions
Who owns WESU containers?
The WESU prefix is associated with Western.
Does the WESU prefix tell me the shipping line?
Not always. The prefix identifies the equipment owner. A leased or exchanged container can travel with a different carrier.