H0K0 Macrosource LLC

Facility details

FIRMS code

H0K0

Name

Macrosource LLC

Address

10 PITZMAN AVE

EAST SAINT LOUIS, IL 62201-1066

Status

Active (A)

Facility type

Importer's premises (06)

CBP port

St Louis, MO (4503)

CBP region

3

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate H0K0 before you file

Check H0K0 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":"H0K0","port":"4503","use":"location_of_goods"}'