FIRMS code

M421 Estes Express Lines

Deleted Container freight station

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: M421
Name: Estes Express Lines
Address: 3802 Hanson St, Unit 5 Unit 5
Fort Myers, FL 33916-6503
Status: Deleted (D)
Facility type: Container freight station (01)
CBP port: Tampa, FL (1801)
CBP region: 4
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate M421 before you file

Validation fails M421: 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":"M421","port":"1801","use":"location_of_goods"}'

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Other codes at this address

Many facilities hold several FIRMS codes, for example one per facility type or operator.

Code	Name	Type	Status
N345	WATKINS MOTOR LINES, INC.	Importer's premises	Deleted

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.