FIRMS code

Z339 CENTRAL MOUNTAIN AIR

Deleted Inspection facility

This code is deleted in CBP's FIRMS list. Don't use it on new filings. FIRMSapi keeps deleted codes so lookups of old paperwork still resolve; check the port listing for a replacement.

Facility details

FIRMS code: Z339
Name: CENTRAL MOUNTAIN AIR
Address: SPOKANE INTERNATIONAL AIRPORT
SPOKANE, WA 99216
Status: Deleted (D)
Facility type: Inspection facility (05)
CBP port: Spokane, WA (3022)
CBP region: 7
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate Z339 before you file

Validation fails Z339: it's deleted, the reject ACE returns as 159. Search the port for an active replacement.

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"Z339","port":"3022","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.