Container Prefix Directory

SLLU Container Prefix Owner

SLLU is a container owner code associated with Sealand/Maersk. Learn how BIC container prefixes identify equipment owners and operators.

Prefix: SLLU
Owner or operator: Sealand/Maersk

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

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.

SLLU container number format

A container number starting with SLLU has the four-letter prefix, a six-digit serial number, and one check digit, for example SLLU1234567.

Who uses SLLU containers

SLLU is registered to Sealand/Maersk. 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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SLLU Container Tracking – Sealand/Maersk

Frequently asked questions

Who owns SLLU containers?

The SLLU prefix is associated with Sealand/Maersk.

Does the SLLU 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.