Warehouse sub-location codeActive

4179CN Sufferance Warehouse in Ontario

4179 is the CBSA sub-location code for CN Sufferance Warehouse’s warehouse at 363 Egerton st London N5W 6E1. It reports to CBSA office 0423, London. CBSA lists it as a railway company sufferance warehouse.

Sub-location code
4179
Operator
CN Sufferance Warehouse
Warehouse type
Railway company sufferance warehouse (AR)
Address
363 Egerton st London N5W 6E1
Reports to
0423 London
Province
Ontario
Status
Active, on CBSA’s list of July 27, 2026

Other warehouses that report to 0423

Good to know

  • 4179 + 0423

    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 4179?

The CBSA code for CN Sufferance Warehouse’s warehouse at 363 Egerton st London N5W 6E1, where imported goods can wait until CBSA releases them.

What type of warehouse is 4179?

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

Which CBSA office does 4179 report to?

Office 0423, London, in Ontario.

Is 4179 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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