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BWLU container prefix

A container number beginning with BWLU is owned by Blue Water Lines, which operates under SCAC BWLU. You can track a BWLU container directly on Blue Water Lines.

PrefixBWLU
OwnerBlue Water Lines
Operating carrierBlue Water Lines
SCACBWLU
TypeCarrier-owned

Track a BWLU container →

Other prefixes owned by Blue Water Lines

NSA2

How a container number is built

Every shipping container carries an ISO 6346 number: four letters then seven digits (six serial + one check digit). The first three letters are the owner code and the fourth is always U for a freight container — so the four-letter prefix identifies who owns the box. Owner ≠ always the line carrying it: leasing companies own millions of boxes that sail under many carriers, which is why a leasing prefix is tracked by bill of lading, not by the prefix.

BWLU — FAQ

What shipping line is BWLU?

BWLU containers are owned by Blue Water Lines (SCAC BWLU).

How do I track a BWLU container?

Track a BWLU container by its number on Blue Water Lines — or use TrackingMCP's Blue Water Lines page.

Owner data from TrackingMCP's verified BIC prefix registry. Updated 2026-07-14.