K601 U S POST OFFICE/ATO-AIR TRNSFR OFC.

Facility details

FIRMS code

K601

Name

U S POST OFFICE/ATO-AIR TRNSFR OFC.

Address

AIR TRANSFER BUILDING AIRPORT

DES MOINES, IA 50321

Status

Active (A)

Facility type

Inspection facility (05)

CBP port

Des Moines, IA (3513)

CBP region

3

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate K601 before you file

Check K601 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":"K601","port":"3513","use":"location_of_goods"}'