--- title: "US port code 3814: Algonac, Michigan · Adhoc" description: "3814 is the US port of exit code for Algonac, Michigan on Canadian customs declarations. CBSA office across: CBSA office 0465, Sombra." canonical: "https://www.adhocs.ca/us-ports-of-exit/3814" last_updated: 2026-07-27 --- # 3814 Algonac, Michigan US port of exit US port of exit · Land border crossing 3814 is the US code for the port of Algonac, Michigan. A Canadian declaration uses it when goods left the United States through Algonac. Across the border is CBSA office 0465, Sombra. - **Port code:** 3814 - **Port:** Algonac - **State:** [Michigan](https://www.adhocs.ca/us-ports-of-exit/michigan) - **CBP district:** Detroit, MI - **Kind:** Land border crossing - **Across the border:** [0465](https://www.adhocs.ca/cbsa-offices/0465) Sombra - **Crossing:** [Sombra–Algonac](https://www.adhocs.ca/border-crossings/sombra-algonac) ## Sombra–Algonac both codes - [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 ## Other US ports in Michigan - [3801](https://www.adhocs.ca/us-ports-of-exit/3801) Detroit (faces 0453, 0452) - [3802](https://www.adhocs.ca/us-ports-of-exit/3802) Port Huron (faces 0440) - [3803](https://www.adhocs.ca/us-ports-of-exit/3803) Sault Ste. Marie (faces 0441) - [3804](https://www.adhocs.ca/us-ports-of-exit/3804) Saginaw/Bay City (Port of entry) - [3805](https://www.adhocs.ca/us-ports-of-exit/3805) Battle Creek (Port of entry) - [3806](https://www.adhocs.ca/us-ports-of-exit/3806) Grand Rapids (Port of entry) - [3807](https://www.adhocs.ca/us-ports-of-exit/3807) Detroit Metro Airport, Detroit (Airport) - [3808](https://www.adhocs.ca/us-ports-of-exit/3808) Escanaba (Port of entry) - [3809](https://www.adhocs.ca/us-ports-of-exit/3809) Marquette (Port of entry) - [3815](https://www.adhocs.ca/us-ports-of-exit/3815) Muskegon (Port of entry) - [3816](https://www.adhocs.ca/us-ports-of-exit/3816) Grand Haven (Port of entry) - [3818](https://www.adhocs.ca/us-ports-of-exit/3818) Rogers City (Port of entry) - [3819](https://www.adhocs.ca/us-ports-of-exit/3819) Detour (Port of entry) - [3842](https://www.adhocs.ca/us-ports-of-exit/3842) Presque Isle (Port of entry) - [3843](https://www.adhocs.ca/us-ports-of-exit/3843) Alpena (Port of entry) - [3881](https://www.adhocs.ca/us-ports-of-exit/3881) Oakland/Pontiac Airport (Airport) - [3882](https://www.adhocs.ca/us-ports-of-exit/3882) Willow Run Airport, Ypsilanti (Airport) - [3883](https://www.adhocs.ca/us-ports-of-exit/3883) Capital Region Intl Airport, Lansing (Airport) ## Good to know - **Which US port.** CBSA defines it as the US port where the truck or train crosses into Canada, or the one nearest to where it crosses. For goods sent by ship or plane, it is the US port where they were loaded. - **Courier shipments.** Low-value courier shipments name 1001, New York, as the US port of exit. Also in this directory: [CBSA offices](https://www.adhocs.ca/cbsa-offices) · [Warehouse codes](https://www.adhocs.ca/cbsa-warehouses) · [Border crossings](https://www.adhocs.ca/border-crossings) ## Questions ### What is US port code 3814? The code for the port of Algonac, Michigan. On a Canadian declaration, it says the goods left the United States through it. ### Which CBSA office is across from 3814? 0465, Sombra. ## Sources - [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 - [Directory of CBSA offices and services](https://www.cbsa-asfc.gc.ca/do-rb/menu-eng.html), Canada Border Services Agency 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.