Container Prefix Directory
KOSU Container Prefix Owner
KOSU is a container owner code associated with King Ocean Services. Learn how BIC container prefixes identify equipment owners and operators.
- Prefix
- KOSU
- Owner or operator
- King Ocean Services
The four-letter prefix KOSU appears at the start of ISO container identification numbers and is associated with King Ocean Services.
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.
KOSU container number format
A container number starting with KOSU has the four-letter prefix, a six-digit serial number, and one check digit, for example KOSU1234567.
Who uses KOSU containers
KOSU is registered to King Ocean Services. 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 KOSU containers?
The KOSU prefix is associated with King Ocean Services.
Does the KOSU 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.