Container Prefix Directory
TONU Container Prefix Owner
TONU is a container owner code associated with Tank Container Investments One Limited. Learn how BIC container prefixes identify equipment owners and operators.
- Prefix
- TONU
- Owner or operator
- Tank Container Investments One Limited
The four-letter prefix TONU appears at the start of ISO container identification numbers and is associated with Tank Container Investments One 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.
TONU container number format
A container number starting with TONU has the four-letter prefix, a six-digit serial number, and one check digit, for example TONU1234567.
Who uses TONU containers
TONU is registered to Tank Container Investments One 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 TONU containers?
The TONU prefix is associated with Tank Container Investments One Limited.
Does the TONU 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.