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FIRMS code

L253 Dynamic Airways

Deleted Inspection facility

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
L253
Name
Dynamic Airways
Address
SMITH REYNOLDS AIRPORT
WINSTON-SALEM, NC 27102
Status
Deleted (D)
Facility type
Inspection facility (05)
CBP port
Winston-Salem, NC (1502)
CBP region
4
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate L253 before you file

Validation fails L253: 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":"L253","port":"1502","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.