S400 Calaway Customs Brokerage

Facility details

FIRMS code

S400

Name

Calaway Customs Brokerage

Address

404 Nafta Blvd

Laredo, TX 78045-9426

Status

Active (A)

Facility type

Importer's premises (06)

CBP port

Laredo, TX (2304)

CBP region

6

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate S400 before you file

Check S400 against the port and use on your filing before ACE does: list, status, port (ACE 164) and facility type.

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"S400","port":"2304","use":"location_of_goods"}'