--- title: "US port code 3421: Carbury, North Dakota · Adhoc" description: "3421 is the US port of exit code for Carbury, North Dakota on Canadian customs declarations. CBSA office across: CBSA office 0508, Goodlands." canonical: "https://www.adhocs.ca/us-ports-of-exit/3421" last_updated: 2026-07-27 --- # 3421 Carbury, North Dakota US port of exit US port of exit · Land border crossing 3421 is the US code for the port of Carbury, North Dakota. A Canadian declaration uses it when goods left the United States through Carbury. Across the border is CBSA office 0508, Goodlands. - **Port code:** 3421 - **Port:** Carbury - **State:** [North Dakota](https://www.adhocs.ca/us-ports-of-exit/north-dakota) - **CBP district:** Pembina, ND - **Kind:** Land border crossing - **Across the border:** [0508](https://www.adhocs.ca/cbsa-offices/0508) Goodlands - **Crossing:** [Goodlands–Carbury](https://www.adhocs.ca/border-crossings/goodlands-carbury) ## Goodlands–Carbury both codes - [Goodlands–Carbury](https://www.adhocs.ca/border-crossings/goodlands-carbury): [0508](https://www.adhocs.ca/cbsa-offices/0508) Goodlands ⇄ [3421](https://www.adhocs.ca/us-ports-of-exit/3421) Carbury, North Dakota ## Other US ports in North Dakota - [3401](https://www.adhocs.ca/us-ports-of-exit/3401) Pembina (faces 0502) - [3403](https://www.adhocs.ca/us-ports-of-exit/3403) Portal (faces 0602) - [3404](https://www.adhocs.ca/us-ports-of-exit/3404) Neche (faces 0503) - [3405](https://www.adhocs.ca/us-ports-of-exit/3405) St. John (faces 0522) - [3406](https://www.adhocs.ca/us-ports-of-exit/3406) Northgate (faces 0613) - [3407](https://www.adhocs.ca/us-ports-of-exit/3407) Walhalla (faces 0518) - [3408](https://www.adhocs.ca/us-ports-of-exit/3408) Hannah (Port of entry) - [3409](https://www.adhocs.ca/us-ports-of-exit/3409) Sarles (faces 0520) - [3410](https://www.adhocs.ca/us-ports-of-exit/3410) Ambrose (faces 0617) - [3411](https://www.adhocs.ca/us-ports-of-exit/3411) Fargo (Port of entry) - [3413](https://www.adhocs.ca/us-ports-of-exit/3413) Antler (Port of entry) - [3414](https://www.adhocs.ca/us-ports-of-exit/3414) Sherwood (faces 0612) - [3415](https://www.adhocs.ca/us-ports-of-exit/3415) Hansboro (faces 0521) - [3416](https://www.adhocs.ca/us-ports-of-exit/3416) Maida (faces 0519) - [3417](https://www.adhocs.ca/us-ports-of-exit/3417) Fortuna (faces 0616) - [3419](https://www.adhocs.ca/us-ports-of-exit/3419) Westhope (Port of entry) - [3420](https://www.adhocs.ca/us-ports-of-exit/3420) Noonan (faces 0610) - [3422](https://www.adhocs.ca/us-ports-of-exit/3422) Dunseith (faces 0509) - [3427](https://www.adhocs.ca/us-ports-of-exit/3427) Grand Forks (Port of entry) - [3433](https://www.adhocs.ca/us-ports-of-exit/3433) Williston Airport (Airport) - [3434](https://www.adhocs.ca/us-ports-of-exit/3434) Minot Airport (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 3421? The code for the port of Carbury, North Dakota. On a Canadian declaration, it says the goods left the United States through it. ### Which CBSA office is across from 3421? 0508, Goodlands. ## 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.