A183 U S COAST GUARD BASE

Facility details

FIRMS code

A183

Name

U S COAST GUARD BASE

Address

PORTSMOUTH HARBOR

NEWCASTLE, NH 03854

Status

Active (A)

Facility type

Pier or terminal (03)

CBP port

Portsmouth, NH (0131)

CBP region

1

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate A183 before you file

Check A183 against the port and use on your filing before ACE does: list, status, port (ACE 164) and facility type.

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"A183","port":"0131","use":"location_of_goods"}'