04/07/2025
Automated Zone Indicator (AZI) Table
The AZI table lists each five-digit ZIP Code™ and is an indicator of the type of processing that typically takes place on letter mail destined for each ZIP Code.
02/04/2025
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Operation Codes List
This spreadsheet provides a list of operation codes (opcodes), also known as Scan Event Codes, for the IV-MTR application.
05/04/2023
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) SFTP Server Certificate
This ZIP file includes the Secure File Transfer Protocol (SFTP) server certificate for the IV-MTR application at ivsftp.usps.com.
08/18/2021
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Production Environment SSL Certificate
This ZIP file includes the Secure Sockets Layer (SSL) certificate for the IV-MTR application at iv.usps.com.
05/21/2020
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Test Environment SSL Certificate
This ZIP file includes the Secure Sockets Layer (SSL) certificate for the Customer Acceptance Testing (CAT) IV-MTR application at qiv.usps.com.
05/13/2019
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Mail.XML Test Pull Messages
This ZIP file contains MailXML messages to test sending a pull request to the IV-MTR application.
03/29/2019
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) WSDL and XSD Files
This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files necessary to use MailXML™ to receive mail tracking data from IV-MTR.
06/17/2016
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Mail.XML™ Test Message SSL Certificate
This ZIP file includes the Secure Sockets Layer (SSL) certificate for MailXML™ test pull messages in the IV-MTR application.