FIRMS code

N856 SOUTHSIDE MARINE TERMINAL

Deleted Importer's premises

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: N856
Name: SOUTHSIDE MARINE TERMINAL
Address: 451 1ST ST
PORTSMOUTH, VA 23704-5218
Status: Deleted (D)
Facility type: Importer's premises (06)
CBP port: Norfolk-Newport News, VA (1401)
CBP region: 4
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate N856 before you file

Validation fails N856: 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":"N856","port":"1401","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.