CBSA office · Inland office

0504Winnipeg Main Longroom in Manitoba

0504 is the CBSA office code for Winnipeg Main Longroom, an inland office in Manitoba. 26 active warehouse codes report to it.

26 warehouse codes report to 0504

A warehouse’s sub-location code goes on a declaration with this office code.

No longer on CBSA’s list. Kept for declarations made before they were withdrawn.

The land crossings nearest this office, each with the US port across from it. Distances are in a straight line, not by road.

Enter 0504 as the CBSA office where the goods are released.
If the goods wait in a sufferance or bonded warehouse, add its sub-location code next to the office code.
If the goods were exported from the United States, add the US port they left through.

Warehouse codes
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.
1001
Courier shipments. Low-value courier shipments name 1001, New York, as the US port of exit.

Winnipeg Main Longroom: an inland office in Manitoba. 0504 is its four-digit CBSA office code.

26, including ASL Distribution Services Ltd., Burlingon Northern, CN Rail, CN Rail Intermodal. They are all listed on this page.

3401 Pembina, North Dakota, about 100 km away in a straight line. It faces CBSA’s 0502 Emerson Commercial office.

No. 0504 is an office code. Sub-location codes are also four digits, but each names a warehouse and belongs to an office.

Sources: Directory of CBSA offices and services, Canada Border Services Agency; Sub-location codes for customs sufferance warehouses, Canada Border Services Agency, version of July 27, 2026; Ports of entry, U.S. Customs and Border Protection; Memorandum D17-1-10, Coding of Customs Accounting Documents, Canada Border Services Agency.

Office types and map positions are ours: the type is read from the office’s name, and each office is placed at its town.

Which US port faces which CBSA office is matched by location; neither agency publishes it as a list.

Adhoc is not affiliated with CBSA or CBP.

Adhoc’s agents classify each line, check it against CBSA and agency rules, and draft the declaration for your team to submit.