--- title: "CBSA offices in Ontario: codes and warehouses · Adhoc" description: "All 66 CBSA office codes in Ontario, with the 270 active warehouse codes that report to them and the US port across each land crossing." canonical: "https://www.adhocs.ca/cbsa-offices/ontario" last_updated: 2026-07-27 --- # CBSA office codes in Ontario Canada Border Services Agency Ontario has 66 CBSA offices and 270 active warehouse codes that report to them. 13 of the offices are land crossings into the United States. Province: [All](https://www.adhocs.ca/cbsa-offices) · [Alberta](https://www.adhocs.ca/cbsa-offices/alberta) (9) · [British Columbia](https://www.adhocs.ca/cbsa-offices/british-columbia) (40) · [Manitoba](https://www.adhocs.ca/cbsa-offices/manitoba) (19) · [New Brunswick](https://www.adhocs.ca/cbsa-offices/new-brunswick) (27) · [Newfoundland and Labrador](https://www.adhocs.ca/cbsa-offices/newfoundland-and-labrador) (10) · [Nova Scotia](https://www.adhocs.ca/cbsa-offices/nova-scotia) (12) · [Northwest Territories](https://www.adhocs.ca/cbsa-offices/northwest-territories) (3) · [Nunavut](https://www.adhocs.ca/cbsa-offices/nunavut) (1) · [Ontario](https://www.adhocs.ca/cbsa-offices/ontario) (66) · [Prince Edward Island](https://www.adhocs.ca/cbsa-offices/prince-edward-island) (2) · [Quebec](https://www.adhocs.ca/cbsa-offices/quebec) (65) · [Saskatchewan](https://www.adhocs.ca/cbsa-offices/saskatchewan) (17) · [Yukon](https://www.adhocs.ca/cbsa-offices/yukon) (4) - **66** CBSA offices - **270** active warehouse codes - **11** land crossings into the United States - **54** warehouse codes at 0497, the most in the province ## Land crossings and the US port across - [Cornwall–Massena](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 - [Fort Frances–International Falls](https://www.adhocs.ca/border-crossings/fort-frances-international-falls): [0478](https://www.adhocs.ca/cbsa-offices/0478) Fort Frances ⇄ [3604](https://www.adhocs.ca/us-ports-of-exit/3604) International Falls-Ranier, Minnesota - [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 - [Niagara–Buffalo](https://www.adhocs.ca/border-crossings/niagara-buffalo): [0410](https://www.adhocs.ca/cbsa-offices/0410) Fort Erie Commercial, [0427](https://www.adhocs.ca/cbsa-offices/0427) Niagara Falls ⇄ [0901](https://www.adhocs.ca/us-ports-of-exit/0901) Buffalo-Niagara Falls, New York - [Pigeon River–Grand Portage](https://www.adhocs.ca/border-crossings/pigeon-river-grand-portage): [0475](https://www.adhocs.ca/cbsa-offices/0475) Pigeon River ⇄ [3613](https://www.adhocs.ca/us-ports-of-exit/3613) Grand Portage, Minnesota - [Prescott–Ogdensburg](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 - [Rainy River–Baudette](https://www.adhocs.ca/border-crossings/rainy-river-baudette): [0488](https://www.adhocs.ca/cbsa-offices/0488) Rainy River ⇄ [3424](https://www.adhocs.ca/us-ports-of-exit/3424) Baudette, Minnesota - [Sarnia–Port Huron](https://www.adhocs.ca/border-crossings/sarnia-port-huron): [0440](https://www.adhocs.ca/cbsa-offices/0440) Sarnia ⇄ [3802](https://www.adhocs.ca/us-ports-of-exit/3802) Port Huron, Michigan - [Sault Ste. Marie](https://www.adhocs.ca/border-crossings/sault-ste-marie): [0441](https://www.adhocs.ca/cbsa-offices/0441) Sault Ste.-Marie ⇄ [3803](https://www.adhocs.ca/us-ports-of-exit/3803) Sault Ste. Marie, Michigan - [Sombra–Algonac](https://www.adhocs.ca/border-crossings/sombra-algonac): [0465](https://www.adhocs.ca/cbsa-offices/0465) Sombra ⇄ [3814](https://www.adhocs.ca/us-ports-of-exit/3814) Algonac, Michigan - [Windsor–Detroit](https://www.adhocs.ca/border-crossings/windsor-detroit): [0453](https://www.adhocs.ca/cbsa-offices/0453) Windsor - Ambassador Bridge, [0452](https://www.adhocs.ca/cbsa-offices/0452) Windsor Tunnel ⇄ [3801](https://www.adhocs.ca/us-ports-of-exit/3801) Detroit, Michigan ## Most warehouse codes by office - [0497](https://www.adhocs.ca/cbsa-offices/0497) P.I.A. Commercial Operations (54) - [0495](https://www.adhocs.ca/cbsa-offices/0495) Toronto Main Long Room (34) - [0417](https://www.adhocs.ca/cbsa-offices/0417) Hamilton (33) - [0496](https://www.adhocs.ca/cbsa-offices/0496) Interport Sufferance Warehouse (21) - [0431](https://www.adhocs.ca/cbsa-offices/0431) Ottawa Longroom/Hwy Suff. Whse (15) ## All 66 offices in Ontario - [0400](https://www.adhocs.ca/cbsa-offices/0400) Peterborough (Inland office · 1 warehouse) - [0401](https://www.adhocs.ca/cbsa-offices/0401) Kitchener (Inland office · 6 warehouses) - [0402](https://www.adhocs.ca/cbsa-offices/0402) Belleville (Inland office · 1 warehouse) - [0404](https://www.adhocs.ca/cbsa-offices/0404) Brantford (Inland office · 2 warehouses) - [0405](https://www.adhocs.ca/cbsa-offices/0405) Brockville (Inland office · 2 warehouses) - [0406](https://www.adhocs.ca/cbsa-offices/0406) Chatham (Inland office · 1 warehouse) - [0409](https://www.adhocs.ca/cbsa-offices/0409) Cornwall (Land border crossing · 1 warehouse) - [0410](https://www.adhocs.ca/cbsa-offices/0410) Fort Erie Commercial (Land border crossing · 3 warehouses) - [0414](https://www.adhocs.ca/cbsa-offices/0414) Guelph (Inland office · 2 warehouses) - [0417](https://www.adhocs.ca/cbsa-offices/0417) Hamilton (Inland office · 33 warehouses) - [0420](https://www.adhocs.ca/cbsa-offices/0420) Kingston (Inland office · 3 warehouses) - [0423](https://www.adhocs.ca/cbsa-offices/0423) London (Inland office · 10 warehouses) - [0424](https://www.adhocs.ca/cbsa-offices/0424) Midland (Inland office) - [0425](https://www.adhocs.ca/cbsa-offices/0425) Stratford (Inland office · 1 warehouse) - [0427](https://www.adhocs.ca/cbsa-offices/0427) Niagara Falls (Land border crossing · 4 warehouses) - [0428](https://www.adhocs.ca/cbsa-offices/0428) North Bay (Inland office · 1 warehouse) - [0429](https://www.adhocs.ca/cbsa-offices/0429) Orillia (Inland office) - [0430](https://www.adhocs.ca/cbsa-offices/0430) Oshawa (Inland office · 9 warehouses) - [0431](https://www.adhocs.ca/cbsa-offices/0431) Ottawa Longroom/Hwy Suff. Whse (Commercial terminal · 15 warehouses) - [0435](https://www.adhocs.ca/cbsa-offices/0435) Parry Sound - Georgian Bay Airport (Airport) - [0439](https://www.adhocs.ca/cbsa-offices/0439) Prescott (Land border crossing · 1 warehouse) - [0440](https://www.adhocs.ca/cbsa-offices/0440) Sarnia (Land border crossing · 3 warehouses) - [0441](https://www.adhocs.ca/cbsa-offices/0441) Sault Ste.-Marie (Land border crossing · 2 warehouses) - [0442](https://www.adhocs.ca/cbsa-offices/0442) Simcoe (Inland office) - [0444](https://www.adhocs.ca/cbsa-offices/0444) Sudbury (Inland office · 2 warehouses) - [0445](https://www.adhocs.ca/cbsa-offices/0445) St. Catharines (Inland office) - [0446](https://www.adhocs.ca/cbsa-offices/0446) St. Thomas (Inland office · 1 warehouse) - [0447](https://www.adhocs.ca/cbsa-offices/0447) Tillsonburg (Inland office) - [0448](https://www.adhocs.ca/cbsa-offices/0448) Hanover (Inland office) - [0449](https://www.adhocs.ca/cbsa-offices/0449) Trenton (Inland office · 4 warehouses) - [0450](https://www.adhocs.ca/cbsa-offices/0450) Wallaceburg (Inland office) - [0451](https://www.adhocs.ca/cbsa-offices/0451) Welland (Inland office) - [0452](https://www.adhocs.ca/cbsa-offices/0452) Windsor Tunnel (Land border crossing · 2 warehouses) - [0453](https://www.adhocs.ca/cbsa-offices/0453) Windsor - Ambassador Bridge (Land border crossing · 10 warehouses) - [0454](https://www.adhocs.ca/cbsa-offices/0454) Windsor (Inland office · 2 warehouses) - [0456](https://www.adhocs.ca/cbsa-offices/0456) Lansdowne (Land border crossing) - [0457](https://www.adhocs.ca/cbsa-offices/0457) Cambridge (Inland office · 2 warehouses) - [0458](https://www.adhocs.ca/cbsa-offices/0458) Collingwood (Inland office) - [0459](https://www.adhocs.ca/cbsa-offices/0459) Barrie (Inland office · 2 warehouses) - [0460](https://www.adhocs.ca/cbsa-offices/0460) Bracebridge (Inland office) - [0461](https://www.adhocs.ca/cbsa-offices/0461) Thunder Bay (Marine port · 5 warehouses) - [0465](https://www.adhocs.ca/cbsa-offices/0465) Sombra (Land border crossing) - [0467](https://www.adhocs.ca/cbsa-offices/0467) Timmins (Inland office) - [0469](https://www.adhocs.ca/cbsa-offices/0469) Pembroke (Inland office) - [0470](https://www.adhocs.ca/cbsa-offices/0470) Perth (Inland office) - [0471](https://www.adhocs.ca/cbsa-offices/0471) Port Colborne (Marine port · 8 warehouses) - [0473](https://www.adhocs.ca/cbsa-offices/0473) Cobourg (Inland office) - [0474](https://www.adhocs.ca/cbsa-offices/0474) Smiths Falls (Inland office · 1 warehouse) - [0475](https://www.adhocs.ca/cbsa-offices/0475) Pigeon River (Land border crossing) - [0476](https://www.adhocs.ca/cbsa-offices/0476) Oakville (Inland office · 3 warehouses) - [0477](https://www.adhocs.ca/cbsa-offices/0477) Lindsay (Inland office · 1 warehouse) - [0478](https://www.adhocs.ca/cbsa-offices/0478) Fort Frances (Land border crossing · 1 warehouse) - [0480](https://www.adhocs.ca/cbsa-offices/0480) Brampton (Inland office · 4 warehouses) - [0482](https://www.adhocs.ca/cbsa-offices/0482) Owen Sound (Inland office) - [0483](https://www.adhocs.ca/cbsa-offices/0483) Halton Hills (Inland office) - [0485](https://www.adhocs.ca/cbsa-offices/0485) Ottawa Air Cargo Centre (Airport · 8 warehouses) - [0486](https://www.adhocs.ca/cbsa-offices/0486) Newmarket (Inland office · 1 warehouse) - [0488](https://www.adhocs.ca/cbsa-offices/0488) Rainy River (Land border crossing) - [0490](https://www.adhocs.ca/cbsa-offices/0490) Kenora (Inland office · 1 warehouse) - [0491](https://www.adhocs.ca/cbsa-offices/0491) Toronto - International Mail Division (Postal centre) - [0492](https://www.adhocs.ca/cbsa-offices/0492) Woodstock (Inland office · 2 warehouses) - [0494](https://www.adhocs.ca/cbsa-offices/0494) Arnprior (Inland office) - [0495](https://www.adhocs.ca/cbsa-offices/0495) Toronto Main Long Room (Inland office · 34 warehouses) - [0496](https://www.adhocs.ca/cbsa-offices/0496) Interport Sufferance Warehouse (Commercial terminal · 21 warehouses) - [0497](https://www.adhocs.ca/cbsa-offices/0497) P.I.A. Commercial Operations (Airport · 54 warehouses) - [0499](https://www.adhocs.ca/cbsa-offices/0499) Toronto - Sufferance Truck Terminal (Kennedy Road) (Commercial terminal) 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 ### How many CBSA offices are in Ontario? 66. Each has a four-digit office code, listed on this page. ### Which CBSA office in Ontario has the most warehouses? 0497, P.I.A. Commercial Operations, with 54 active warehouse codes. ### Which land crossings in Ontario lead into the United States? Cornwall–Massena, Fort Frances–International Falls, Lansdowne–Alexandria Bay, Niagara–Buffalo, Pigeon River–Grand Portage, Prescott–Ogdensburg, Rainy River–Baudette, Sarnia–Port Huron, Sault Ste. Marie, Sombra–Algonac, Windsor–Detroit. Each pairs a CBSA office with the US port across from it. ## 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 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.