---
title: "US port code 3308: Porthill, Idaho · Adhoc"
description: "3308 is the US port of exit code for Porthill, Idaho on Canadian customs declarations. CBSA office across: CBSA office 0822, Rykerts."
canonical: "https://www.adhocs.ca/us-ports-of-exit/3308"
last_updated: 2026-07-27
---

# 3308 Porthill, Idaho US port of exit

US port of exit · Land border crossing

3308 is the US code for the port of Porthill, Idaho. A Canadian declaration uses it when goods left the United States through Porthill. Across the border is CBSA office 0822, Rykerts.

- **Port code:** 3308
- **Port:** Porthill
- **State:** [Idaho](https://www.adhocs.ca/us-ports-of-exit/idaho)
- **CBP district:** Great Falls, MT
- **Kind:** Land border crossing
- **Across the border:** [0822](https://www.adhocs.ca/cbsa-offices/0822) Rykerts
- **Crossing:** [Rykerts–Porthill](https://www.adhocs.ca/border-crossings/rykerts-porthill)

## Rykerts–Porthill both codes

- [Rykerts–Porthill](https://www.adhocs.ca/border-crossings/rykerts-porthill): [0822](https://www.adhocs.ca/cbsa-offices/0822) Rykerts ⇄ [3308](https://www.adhocs.ca/us-ports-of-exit/3308) Porthill, Idaho

## Other US ports in Idaho

- [2907](https://www.adhocs.ca/us-ports-of-exit/2907) Boise (Port of entry)
- [3302](https://www.adhocs.ca/us-ports-of-exit/3302) Eastport (faces 0818)

## 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 3308?

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

### Which CBSA office is across from 3308?

0822, Rykerts.

## 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.