Container Prefix Directory

ZTBU Container Prefix Owner

ZTBU is a container owner code associated with TK Zapsibtransblok. Learn how BIC container prefixes identify equipment owners and operators.

Prefix: ZTBU
Owner or operator: TK Zapsibtransblok

The four-letter prefix ZTBU appears at the start of ISO container identification numbers and is associated with TK Zapsibtransblok.

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.

ZTBU container number format

A container number starting with ZTBU has the four-letter prefix, a six-digit serial number, and one check digit, for example ZTBU1234567.

Who uses ZTBU containers

ZTBU is registered to TK Zapsibtransblok. 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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ZTBU Container Tracking – TK Zapsibtransblok

Frequently asked questions

Who owns ZTBU containers?

The ZTBU prefix is associated with TK Zapsibtransblok.

Does the ZTBU 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.