FIRMS code
S879 Southwest Airlines Cargo - Harlingen
Active Inspection facility
Facility details
- FIRMS code
- S879
- Name
- Southwest Airlines Cargo - Harlingen
- Address
- 2730 Airport DrHarlingen, TX 78550-3663
- Status
- Active (A)
- Facility type
- Inspection facility (05)
- CBP port
- Brownsville, TX (2301)
- CBP region
- 6
- Last changed
- 2026-10-23
- Data as of
- 2026-10-23
Pre-filing validation
Validate S879 before you file
Check S879 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":"S879","port":"2301","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.