Warehouse sub-location codeActive

4056Canadian National Railways in Ontario

4056 is the CBSA sub-location code for Canadian National Railways’s warehouse at Neebing Yard Thunder Bay P7B 5E6. It reports to CBSA office 0461, Thunder Bay. CBSA lists it as a railway company sufferance warehouse.

Sub-location code: 4056
Operator: Canadian National Railways
Warehouse type: Railway company sufferance warehouse (AR)
Address: Neebing Yard Thunder Bay P7B 5E6
Reports to: 0461 Thunder Bay
Province: Ontario
Status: Active, on CBSA’s list of July 27, 2026

Other warehouses that report to 0461

Good to know

4056 + 0461
Always with an office code. A warehouse’s four-digit code only goes on a declaration together with the code of the CBSA office it reports to.

Questions

What is sub-location code 4056?

The CBSA code for Canadian National Railways’s warehouse at Neebing Yard Thunder Bay P7B 5E6, where imported goods can wait until CBSA releases them.

What type of warehouse is 4056?

It is a railway company sufferance warehouse, type AR on CBSA’s list.

Which CBSA office does 4056 report to?

Office 0461, Thunder Bay, in Ontario.

Is 4056 still in use?

Yes. It is on CBSA’s current list of sub-location codes.

Sources: Sub-location codes for customs sufferance warehouses, Canada Border Services Agency, version of July 27, 2026; Directory of CBSA offices and services, Canada Border Services Agency.

Warehouse types are CBSA’s. Its list labels a few rows inconsistently; each type is named as CBSA names it on most rows.

Adhoc is not affiliated with CBSA or CBP.

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