H559 ISLE ROYALE NATL PARK

Facility details

FIRMS code

H559

Name

ISLE ROYALE NATL PARK

Address

Rock Harbor

Houghton, MI 49931

Status

Active (A)

Facility type

CBP administrative site (08)

CBP port

Grand Portage, MN (3613)

CBP region

3

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate H559 before you file

Check H559 against the port and use on your filing before ACE does: list, status, port (ACE 164) and facility type.

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"H559","port":"3613","use":"location_of_goods"}'