FIRMS code

X179 King County Int. Airport - Boeing Field

Active Inspection facility

Facility details

FIRMS code: X179
Name: King County Int. Airport - Boeing Field
Address: BOEING FIELD
SEATTLE, WA 98108
Status: Active (A)
Facility type: Inspection facility (05)
CBP port: Seattle, WA (3001)
CBP region: 7
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate X179 before you file

Check X179 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":"X179","port":"3001","use":"location_of_goods"}'

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Nearby facilities in the same port

Code	Name	Type	Distance
WA76	Old Dominion Freight Line	Container freight station	2.2 km
X135	Boyer Towing Inc.	Pier or terminal	3.1 km
Y371	BNSF Yard Tukwila	Inspection facility	3.5 km
WBD9	SeaTac Marine Services	Pier or terminal	3.5 km
Y958	Alaska Marine Lines (1st Ave Pier)	Pier or terminal	3.8 km

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.