FIRMSapi Get a free key

FIRMS code

B423 CUSTOMS ACFT EXAMINE SITE(LVI ARPT)

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
B423
Name
CUSTOMS ACFT EXAMINE SITE(LVI ARPT)
Address
LEHIGH VALLEY INT'L AIRPORT
ALLENTOWN, PA 18109
Status
Deleted (D)
Facility type
Inspection facility (05)
CBP port
Allentown, Pa (Lehigh Valley Intl Airpt), PA (1119)
CBP region
1
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate B423 before you file

Validation fails B423: 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":"B423","port":"1119","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.