FIRMS code

S510 CUSTOM HOUSE

Name: CUSTOM HOUSE
Address: CUSTOMS PORT OF ENTRY, NACO, AZ, 85620, US

Active Container freight station

Facility details

FIRMS code: S510
Name: CUSTOM HOUSE
Address: CUSTOMS PORT OF ENTRY
NACO, AZ 85620
Status: Active (A)
Facility type: Container freight station (01)
CBP port: Naco, AZ (2603)
CBP region: 6
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate S510 before you file

Check S510 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":"S510","port":"2603","use":"location_of_goods"}'

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Nearby facilities in the same port

Code	Name	Type	Distance
V757	ARI-MEX FORWARDING AGENTS, INC.	Importer's premises	7.2 km
V900	OSVIL INTERNATIONAL INC.	Importer's premises	7.2 km
T606	K-TRONICS	Importer's premises	10.0 km
T605	BLAZER INTERNATIONAL	Importer's premises	10.8 km

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.