FIRMS code

S1N4 u

Deleted Bonded warehouse

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: S1N4
Name: u
Address: 100 N FARM # 30803 EAST
CONROE, TX 77303
Status: Deleted (D)
Facility type: Bonded warehouse (04)
CBP port: Houston, TX (5301)
CBP region: 6
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate S1N4 before you file

Validation fails S1N4: 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":"S1N4","port":"5301","use":"warehouse_entry"}'

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.