Container Prefix Directory

TWCU Container Prefix Owner

TWCU is a container owner code associated with Thru-World Company Limited. Learn how BIC container prefixes identify equipment owners and operators.

Prefix
TWCU
Owner or operator
Thru-World Company Limited

The four-letter prefix TWCU appears at the start of ISO container identification numbers and is associated with Thru-World Company Limited.

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.

TWCU container number format

A container number starting with TWCU has the four-letter prefix, a six-digit serial number, and one check digit, for example TWCU1234567.

Who uses TWCU containers

TWCU is registered to Thru-World Company Limited. 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 TWCU containers?

The TWCU prefix is associated with Thru-World Company Limited.

Does the TWCU 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.