I580 SKYHARBOR AIRPORT AND SEAPLANE BASE

Facility details

FIRMS code

I580

Name

SKYHARBOR AIRPORT AND SEAPLANE BASE

Address

5000MINNESOTA AVE

DULUTH, MN 55802

Status

Active (A)

Facility type

Inspection facility (05)

CBP port

Duluth, Mn-Superior, WI (3510)

CBP region

3

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate I580 before you file

Check I580 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":"I580","port":"3510","use":"location_of_goods"}'