A866 U S POST OFFICE

Facility details

FIRMS code

A866

Name

U S POST OFFICE

Address

431 STATE ST

OGDENSBURG, NY 13669-9998

Status

Active (A)

Facility type

Importer's premises (06)

CBP port

Ogdensburg, NY (0701)

CBP region

1

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate A866 before you file

Check A866 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":"A866","port":"0701","use":"location_of_goods"}'