Container Prefix Directory
TWPU Container Prefix Owner
TWPU is a container owner code associated with Tropical Western Pacific Program Office. Learn how BIC container prefixes identify equipment owners and operators.
- Prefix
- TWPU
- Owner or operator
- Tropical Western Pacific Program Office
The four-letter prefix TWPU appears at the start of ISO container identification numbers and is associated with Tropical Western Pacific Program Office.
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.
TWPU container number format
A container number starting with TWPU has the four-letter prefix, a six-digit serial number, and one check digit, for example TWPU1234567.
Who uses TWPU containers
TWPU is registered to Tropical Western Pacific Program Office. 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 TWPU containers?
The TWPU prefix is associated with Tropical Western Pacific Program Office.
Does the TWPU 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.