Container Prefix Directory
CMCU Container Prefix Owner
CMCU is a container owner code associated with Crowley Liner Services. Learn how BIC container prefixes identify equipment owners and operators.
- Prefix
- CMCU
- Owner or operator
- Crowley Liner Services
The four-letter prefix CMCU appears at the start of ISO container identification numbers and is associated with Crowley Liner 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.
CMCU container number format
A container number starting with CMCU has the four-letter prefix, a six-digit serial number, and one check digit, for example CMCU1234567.
Who uses CMCU containers
CMCU is registered to Crowley Liner 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 CMCU containers?
The CMCU prefix is associated with Crowley Liner Services.
Does the CMCU 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.