S159 POST OFFICE

Facility details

FIRMS code

S159

Name

POST OFFICE

Address

300 LOWE DR

DEL RIO, TX 78842

Status

Active (A)

Facility type

CBP administrative site (08)

CBP port

Del Rio, TX (2302)

CBP region

6

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate S159 before you file

Check S159 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":"S159","port":"2302","use":"location_of_goods"}'