---
title: "US port code 1904: Birmingham, Alabama · Adhoc"
description: "1904 is the US port of exit code for Birmingham, Alabama on Canadian customs declarations."
canonical: "https://www.adhocs.ca/us-ports-of-exit/1904"
last_updated: 2026-07-27
---

# 1904 Birmingham, Alabama US port of exit

US port of exit · Port of entry

1904 is the US code for the port of Birmingham, Alabama. A Canadian declaration uses it when goods left the United States through Birmingham.

- **Port code:** 1904
- **Port:** Birmingham
- **State:** [Alabama](https://www.adhocs.ca/us-ports-of-exit/alabama)
- **CBP district:** Mobile, AL
- **Kind:** Port of entry

## Other US ports in Alabama

- [1901](https://www.adhocs.ca/us-ports-of-exit/1901) Mobile (Port of entry)
- [1910](https://www.adhocs.ca/us-ports-of-exit/1910) Huntsville (Port of entry)

## 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 1904?

The code for the port of Birmingham, Alabama. On a Canadian declaration, it says the goods left the United States through it.

## 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

Adhoc is not affiliated with CBSA or CBP.