FIRMS code

S335 Marathon Petroleum Company LLC 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: S335
Name: Marathon Petroleum Company LLC 02
Address: Dock Rd
Texas City, TX 77590
Status: Deleted (D)
Facility type: Foreign trade zone (02)
CBP port: Houston, TX (5301)
CBP region: 6
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate S335 before you file

Validation fails S335: 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":"S335","port":"5301","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.