FIRMS code

M771 CUSTOM TRANSPORTATION SERVICES, INC

Deleted Pier or terminal

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: M771
Name: CUSTOM TRANSPORTATION SERVICES, INC
Address: 161 JOHNS RD, STE A
GREER, SC 29650-4714
Status: Deleted (D)
Facility type: Pier or terminal (03)
CBP port: Greenville-Spartanbrg, SC (1603)
CBP region: 4
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate M771 before you file

Validation fails M771: 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":"M771","port":"1603","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.