FIRMS code

S1W0 East Coast CES

Deleted Centralized examination station

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: S1W0
Name: East Coast CES
Address: 5814 N HIGHWAY 146
BAYTOWN, TX 77523-9525
Status: Deleted (D)
Facility type: Centralized examination station (09)
CBP port: Houston, TX (5301)
CBP region: 6
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate S1W0 before you file

Validation fails S1W0: 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":"S1W0","port":"5301","use":"exam_site"}'

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.