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FIRMS code

H432 Appleton International Airport

Active Inspection facility

Facility details

FIRMS code
H432
Name
Appleton International Airport
Address
W6400 Challenger Dr
Appleton, WI 54914-7562
Status
Active (A)
Facility type
Inspection facility (05)
CBP port
Port 3781, WI
CBP region
3
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate H432 before you file

Check H432 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":"H432","port":"3781","use":"location_of_goods"}'
Get a free key Validation guide

Source: U.S. Customs and Border Protection FIRMS code list, data as of 2026-10-23. FIRMSapi is not affiliated with CBP; confirm bond status and filing details in ACE.