H561 U.S.CUSTOMHOUSE

Facility details

FIRMS code

H561

Name

U.S.CUSTOMHOUSE

Address

4915 S HOWELL AVE, STE 200

MILWAUKEE, WI 53207-5939

Status

Active (A)

Facility type

Inspection facility (05)

CBP port

Milwaukee, WI (3701)

CBP region

3

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate H561 before you file

Check H561 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":"H561","port":"3701","use":"location_of_goods"}'