S444 U S CUSTOMS STATION MARATHON

Facility details

FIRMS code

S444

Name

U S CUSTOMS STATION MARATHON

Address

U S CUSTOMS STATION MARATHON

MARATHON, TX 79842

Status

Active (A)

Facility type

Importer's premises (06)

CBP port

Presidio, TX (2403)

CBP region

6

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate S444 before you file

Check S444 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":"S444","port":"2403","use":"location_of_goods"}'