FIRMS code

A0K4 Londonderry Freezer Warehouse, LLC

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: A0K4
Name: Londonderry Freezer Warehouse, LLC
Address: 219 ROCKINGHAM RD
LONDONDERRY, NH 03053-2110
Status: Deleted (D)
Facility type: Bonded warehouse (04)
CBP port: Portsmouth, NH (0131)
CBP region: 1
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate A0K4 before you file

Validation fails A0K4: 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":"A0K4","port":"0131","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.