Container Prefix Directory

MRSU Container Prefix Owner

MRSU is a container owner code associated with Maersk Line. Learn how BIC container prefixes identify equipment owners and operators.

Prefix: MRSU
Owner or operator: Maersk Line

The four-letter prefix MRSU appears at the start of ISO container identification numbers and is associated with Maersk Line.

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.

MRSU container number format

A container number starting with MRSU has the four-letter prefix, a six-digit serial number, and one check digit, for example MRSU1234567.

Who uses MRSU containers

MRSU is registered to Maersk Line. 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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MRSU Container Tracking – Maersk Line

Frequently asked questions

Who owns MRSU containers?

The MRSU prefix is associated with Maersk Line.

Does the MRSU 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.