C121 CBP (MDT) Exam Site

Facility details

FIRMS code

C121

Name

CBP (MDT) Exam Site

Address

1215 Manor Dr, Ste 301

Mechanicsburg, PA 17055-4917

Status

Active (A)

Facility type

Inspection facility (05)

CBP port

Harrisburg, PA (1109)

CBP region

1

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate C121 before you file

Check C121 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":"C121","port":"1109","use":"location_of_goods"}'