---
title: "Sub-location code 4056: Canadian National Railways · Adhoc"
description: "4056 is the CBSA warehouse sub-location code for Canadian National Railways, Neebing Yard Thunder Bay P7B 5E6. It reports to CBSA office 0461."
canonical: "https://www.adhocs.ca/cbsa-warehouses/4056"
last_updated: 2026-07-27
---

# 4056 Canadian National Railways in Ontario

Warehouse sub-location code · Active

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](https://www.adhocs.ca/cbsa-offices/0461) Thunder Bay
- **Province:** [Ontario](https://www.adhocs.ca/cbsa-offices/ontario)
- **Status:** Active, on CBSA’s list of July 27, 2026

## Other warehouses that report to 0461

- [2811](https://www.adhocs.ca/cbsa-warehouses/2811) Canadian Pacific Ltd., Track E 9 Thunder Bay P7B 5E6
- [2813](https://www.adhocs.ca/cbsa-warehouses/2813) Lakeside Equipment Ltd., 180 Main st Thunder Bay P7B 6S4
- [5861](https://www.adhocs.ca/cbsa-warehouses/5861) G3 Canada Limited, 95 Brookbank Ave North Richmond V7J 2B9
- [5865](https://www.adhocs.ca/cbsa-warehouses/5865) Thunder Bay Terminals Ltd, 375 Carpenter St. Thunder Bay P7C 5J7

## Good to know

- **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.

Also in this directory: [CBSA offices](https://www.adhocs.ca/cbsa-offices) · [US ports of exit](https://www.adhocs.ca/us-ports-of-exit) · [Border crossings](https://www.adhocs.ca/border-crossings)

## 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](https://www.cbsa-asfc.gc.ca/import/codes/sw-ea-eng.html), Canada Border Services Agency, version of July 27, 2026
- [Directory of CBSA offices and services](https://www.cbsa-asfc.gc.ca/do-rb/menu-eng.html), 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.