--- title: "CBSA office 0456: Lansdowne · Adhoc" description: "0456 is the CBSA office code for Lansdowne, Ontario. US port across: 0708 Alexandria Bay, New York." canonical: "https://www.adhocs.ca/cbsa-offices/0456" last_updated: 2026-07-27 --- # 0456 Lansdowne in Ontario CBSA office · Land border crossing 0456 is the CBSA office code for Lansdowne, a land border crossing in Ontario. No warehouse code reports to it. - **Office code:** 0456 - **Type:** Land border crossing - **Province:** [Ontario](https://www.adhocs.ca/cbsa-offices/ontario) - **Warehouse codes:** 0 active - **Across the border:** [0708](https://www.adhocs.ca/us-ports-of-exit/0708) Alexandria Bay, New York; [Lansdowne–Alexandria Bay](https://www.adhocs.ca/border-crossings/lansdowne-alexandria-bay) ## Warehouse codes report to 0456 No warehouse code reports to 0456. ## US ports of exit near 0456 The land crossings nearest this office, each with the US port across from it. Distances are in a straight line, not by road. - [Lansdowne–Alexandria Bay](https://www.adhocs.ca/border-crossings/lansdowne-alexandria-bay): [0456](https://www.adhocs.ca/cbsa-offices/0456) Lansdowne ⇄ [0708](https://www.adhocs.ca/us-ports-of-exit/0708) Alexandria Bay, New York - [Prescott–Ogdensburg, about 55 km](https://www.adhocs.ca/border-crossings/prescott-ogdensburg): [0439](https://www.adhocs.ca/cbsa-offices/0439) Prescott ⇄ [0701](https://www.adhocs.ca/us-ports-of-exit/0701) Ogdensburg, New York - [Cornwall–Massena, about 125 km](https://www.adhocs.ca/border-crossings/cornwall-massena): [0409](https://www.adhocs.ca/cbsa-offices/0409) Cornwall ⇄ [0704](https://www.adhocs.ca/us-ports-of-exit/0704) Massena, New York ## Using 0456 on a declaration 1. Enter 0456 as the CBSA office where the goods are released. 2. If the goods wait in a sufferance or bonded warehouse, add its sub-location code next to the office code. 3. If the goods were exported from the United States, add the US port they left through. ## Good to know - **Courier shipments.** Low-value courier shipments name 1001, New York, as the US port of exit. ## Other offices nearby - [0405](https://www.adhocs.ca/cbsa-offices/0405) Brockville (Inland office · about 35 km) - [0420](https://www.adhocs.ca/cbsa-offices/0420) Kingston (Inland office · about 45 km) - [0439](https://www.adhocs.ca/cbsa-offices/0439) Prescott (Land border crossing · about 55 km) - [0474](https://www.adhocs.ca/cbsa-offices/0474) Smiths Falls (Inland office · about 60 km) - [0470](https://www.adhocs.ca/cbsa-offices/0470) Perth (Inland office · about 65 km) Also in this directory: [Warehouse codes](https://www.adhocs.ca/cbsa-warehouses) · [US ports of exit](https://www.adhocs.ca/us-ports-of-exit) · [Border crossings](https://www.adhocs.ca/border-crossings) ## Questions ### What is CBSA office 0456? Lansdowne: a land border crossing in Ontario. 0456 is its four-digit CBSA office code. ### Which warehouses report to office 0456? None. No warehouse sub-location code on CBSA’s list reports to 0456. ### Which US port is across from 0456? 0708 Alexandria Bay, New York. Both codes are on the Lansdowne–Alexandria Bay crossing page. ### Is 0456 a sub-location code? No. 0456 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](https://www.cbsa-asfc.gc.ca/do-rb/menu-eng.html), Canada Border Services Agency - [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 - [Ports of entry](https://www.cbp.gov/contact/ports), U.S. Customs and Border Protection - [Memorandum D17-1-10, Coding of Customs Accounting Documents](https://www.cbsa-asfc.gc.ca/publications/dm-md/d17/d17-1-10-eng.html), 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.