FIRMS code

S464 Flint Hills Resources LLC 06

Deleted Foreign trade zone

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: S464
Name: Flint Hills Resources LLC 06
Address: Suntide Rd
Corpus Christi, TX 78409
Status: Deleted (D)
Facility type: Foreign trade zone (02)
CBP port: Corpus Christi, TX (5312)
CBP region: 6
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate S464 before you file

Validation fails S464: 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":"S464","port":"5312","use":"ftz_admission"}'

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Other codes at this address

Many facilities hold several FIRMS codes, for example one per facility type or operator.

Code	Name	Type	Status
T863	Flint Hills Resources LLC 01	Foreign trade zone	Deleted

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.