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FIRMS code

S998 US POST OFFICE AMF

Deleted CBP administrative site

This code is deleted in CBP's FIRMS list. Don't use it on new filings. FIRMSapi keeps deleted codes so lookups of old paperwork still resolve; check the port listing for a replacement.

Facility details

FIRMS code
S998
Name
US POST OFFICE AMF
Address
7231 Fm 1960 Rd W, Ste A
Humble, TX 77338-3467
Status
Deleted (D)
Facility type
CBP administrative site (08)
CBP port
Houston Intercontl Airp, TX (5309)
CBP region
6
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate S998 before you file

Validation fails S998: it's deleted, the reject ACE returns as 159. Search the port for an active replacement. 

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"S998","port":"5309","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.