FIRMS code

LDP4 Guardian Logistics Solutions

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: LDP4
Name: Guardian Logistics Solutions
Address: 454 TRADEPORT DR
KNIGHTSVILLE, SC 29483
Status: Deleted (D)
Facility type: Container freight station (01)
CBP port: Charleston, SC (1601)
CBP region: 4
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate LDP4 before you file

Validation fails LDP4: 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":"LDP4","port":"1601","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.