FIRMSapiCBP port 3981
FIRMS codes in Port 3981, IL
1 active code. CBP region 3. Data as of 2026-10-23.
1 CBP admin
Active codes
| Code | Name | Type | City |
|---|---|---|---|
| J468 | CUSTOMS OFFICE-WAUKEGAN AIRPORT | CBP administrative site | WAUKEGAN, IL |
Query this port from code
List every code in port 3981, or search and validate codes against it, with the FIRMSapi API.