P858 U S POST OFFICE

Facility details

FIRMS code

P858

Name

U S POST OFFICE

Address

2400 TEXAS AVE

SHREVEPORT, LA 71102-9800

Status

Active (A)

Facility type

Inspection facility (05)

CBP port

Shreveport/Bossier City, LA (2018)

CBP region

5

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate P858 before you file

Check P858 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":"P858","port":"2018","use":"location_of_goods"}'