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FIRMS code

S1N3 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
S1N3
Name
U
Address
100 N FM 3083 RD E
CONROE, TX 77303-2093
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 S1N3 before you file

Validation fails S1N3: 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":"S1N3","port":"5301","use":"warehouse_entry"}'
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Other codes at this address

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

CodeNameTypeStatus
T042 Bauer Manufacturing, Inc. 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.