A191 U S CUSTOMS OFFICE

Facility details

FIRMS code

A191

Name

U S CUSTOMS OFFICE

Address

POST OFFICE SQUARE

BELFAST, ME 04915

Status

Active (A)

Facility type

CBP administrative site (08)

CBP port

Port 0132, ME

CBP region

1

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate A191 before you file

Check A191 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":"A191","port":"0132","use":"location_of_goods"}'