FIRMS code
M400 CARIT US CUSTOMS
Active CBP administrative site
Facility details
- FIRMS code
- M400
- Name
- CARIT US CUSTOMS
- Address
- FREE ZONE BLDG #2,DOOR 19/20CATANO, PR 00962
- Status
- Active (A)
- Facility type
- CBP administrative site (08)
- CBP port
- San Juan, PR (4909)
- CBP region
- 4
- Last changed
- 2026-10-23
- Data as of
- 2026-10-23
Pre-filing validation
Validate M400 before you file
Check M400 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":"M400","port":"4909","use":"location_of_goods"}' Nearby facilities in the same port
Source: U.S. Customs and Border Protection FIRMS code list, data as of 2026-10-23. FIRMSapi is not affiliated with CBP; confirm bond status and filing details in ACE.