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FIRMS code

L1Z4 KEEN TRANSPORT INC.

Deleted DP site

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
L1Z4
Name
KEEN TRANSPORT INC.
Address
51 S ISLAND DR
BRUNSWICK, GA 31523-2601
Status
Deleted (D)
Facility type
DP site (07)
CBP port
Brunswick, GA (1701)
CBP region
4
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate L1Z4 before you file

Validation fails L1Z4: 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":"L1Z4","port":"1701","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.