FIRMS code

K804 Denver Duty Free, JV

Deleted Bonded warehouse

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: K804
Name: Denver Duty Free, JV
Address: 3390 Peoria St, Ste 300
Aurora, CO 80010-1410
Status: Deleted (D)
Facility type: Bonded warehouse (04)
CBP port: Denver, CO (3307)
CBP region: 3
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate K804 before you file

Validation fails K804: 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":"K804","port":"3307","use":"warehouse_entry"}'

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.