FIRMS code

I819 UNITED STATES POST OFFICE

Deleted CBP administrative site

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: I819
Name: UNITED STATES POST OFFICE
Address: 435 S ST CLAIR
TOLEDO, OH 43602
Status: Deleted (D)
Facility type: CBP administrative site (08)
CBP port: Toledo-Snadusky, OH (4105)
CBP region: 3
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate I819 before you file

Validation fails I819: 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":"I819","port":"4105","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.