FIRMS code

S458 Sherwin Alumina Co. 02

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: S458
Name: Sherwin Alumina Co. 02
Address: Hwy 361
Gregory, TX 78359
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 S458 before you file

Validation fails S458: 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":"S458","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
T178	Sherwin Alumina Co. 01	Foreign trade zone	Deleted
T831	SHERWIN DOCKS	Unspecified type	Deleted
T871	REYNOLDS METALS CO	Unspecified type	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.