FIRMS code

W0A4 Mainfreight, Inc.

Name: Mainfreight, Inc.
Address: 755 N. Nash St. Ste 100, El Segundo, CA, 90245, US

Active Container freight station

Facility details

FIRMS code: W0A4
Name: Mainfreight, Inc.
Address: 755 N. Nash St. Ste 100
El Segundo, CA 90245
Status: Active (A)
Facility type: Container freight station (01)
CBP port: Los Angeles Intl Airport, CA (2720)
CBP region: 7
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate W0A4 before you file

Check W0A4 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":"W0A4","port":"2720","use":"location_of_goods"}'

Get a free key Validation guide

Nearby facilities in the same port

Code	Name	Type	Distance
Z031	NIPPON EXPRESS USA INC. #10 (CFS)	Container freight station	672 m
W0C9	Qatar Airways	Inspection facility	695 m
W102	Transaero Airlines	Inspection facility	695 m
W436	PHILIPPINE AIRLINES (IMPORT)	Inspection facility	695 m
W821	Saudi Arabian Airlines	Inspection facility	695 m

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.