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FIRMS code

I506 O'Hare CFS Service, Inc.

Deleted Container freight station

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
I506
Name
O'Hare CFS Service, Inc.
Address
2201 Lunt Ave
Elk Grove Village, IL 60007-5640
Status
Deleted (D)
Facility type
Container freight station (01)
CBP port
Chicago, IL (3901)
CBP region
3
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate I506 before you file

Validation fails I506: 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":"I506","port":"3901","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.