FIRMSapi Get a free key

FIRMS code

HAM8 Winnebago 02

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
HAM8
Name
Winnebago 02
Address
1200 11th St
Charles City, IA 50616-3432
Status
Deleted (D)
Facility type
Foreign trade zone (02)
CBP port
Des Moines, IA (3513)
CBP region
3
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate HAM8 before you file

Validation fails HAM8: 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":"HAM8","port":"3513","use":"ftz_admission"}'
Get a free key Validation guide

Other codes at this address

Many facilities hold several FIRMS codes, for example one per facility type or operator.

CodeNameTypeStatus
HAM7 Winneabago Ind Site 02 Importer's premises Deleted

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.