FIRMSapi Get a free key

FIRMS code

H308 CUSTOMS PORT OF ENTRY

Active Inspection facility

Facility details

FIRMS code
H308
Name
CUSTOMS PORT OF ENTRY
Address
US CUSTOMS POE
AMBROSE, ND 58833
Status
Active (A)
Facility type
Inspection facility (05)
CBP port
Ambrose, ND (3410)
CBP region
3
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate H308 before you file

Check H308 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":"H308","port":"3410","use":"location_of_goods"}'
Get a free key Validation guide

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.