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FIRMS code

H721 CITGO PETROLEUM,FTZ 22I

Deleted Foreign trade zone

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
H721
Name
CITGO PETROLEUM,FTZ 22I
Address
135TH ST. & NEW AVE.
LEMONT, IL 60439
Status
Deleted (D)
Facility type
Foreign trade zone (02)
CBP port
Chicago, IL (3901)
CBP region
3
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate H721 before you file

Validation fails H721: 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":"H721","port":"3901","use":"ftz_admission"}'
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.