FIRMS code

Z551 SHIPPERS TRANSPORT EXPRESS INC.

Deleted Importer's premises

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: Z551
Name: SHIPPERS TRANSPORT EXPRESS INC.
Address: 6050 E MARGINAL S WAY
SEATTLE, WA 98108-3235
Status: Deleted (D)
Facility type: Importer's premises (06)
CBP port: Seattle, WA (3001)
CBP region: 7
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate Z551 before you file

Validation fails Z551: 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":"Z551","port":"3001","use":"location_of_goods"}'

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.