H663 U S POST OFFICE MAIN STATION

Facility details

FIRMS code

H663

Name

U S POST OFFICE MAIN STATION

Address

300 PACKERLAND DR

GREEN BAY, WI 54303-4816

Status

Active (A)

Facility type

Inspection facility (05)

CBP port

Green Bay, WI (3703)

CBP region

3

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate H663 before you file

Check H663 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":"H663","port":"3703","use":"location_of_goods"}'