S242 POST OFFICE

Facility details

FIRMS code

S242

Name

POST OFFICE

Address

FIRST STREET

HIDALGO, TX 78557

Status

Active (A)

Facility type

CBP administrative site (08)

CBP port

Hidalgo, Pharr, TX (2305)

CBP region

6

Last changed

2026-10-23

Data as of

2026-10-23

Pre-filing validation

Validate S242 before you file

Check S242 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":"S242","port":"2305","use":"location_of_goods"}'