FIRMS code

S492 Tres Palacios Gas Storage LLC

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: S492
Name: Tres Palacios Gas Storage LLC
Address: 1600 Farm Rd, 1468
Markham, TX 77456
Status: Deleted (D)
Facility type: Foreign trade zone (02)
CBP port: Port Lavaca, TX (5313)
CBP region: 6
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate S492 before you file

Validation fails S492: 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":"S492","port":"5313","use":"ftz_admission"}'

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.