Presentations
05/01/2023
Proposed Price Adjustments July 2023
Data Files
05/01/2023
April 2023 Nixie Volume

This spreadsheet contains the UAA statistics for April 2023.

Announcements
05/01/2023
USPS Scheduled Commercial Systems Maintenance Event - April 30, 2023
Fact Sheets
05/01/2023
Informed Delivery Mail.XML Fact Sheet

This is a fact sheet for how to submit campaign data using Mail.XML eDoc via PostalOne!  

For more detailed information, please see the Informed Delivery Mail.XML Mailer Guide. 

Fact Sheets
05/01/2023
Informed Delivery Mail.dat Fact Sheet

This is a fact sheet for how to submit campaign data using Mail.dat eDoc via PostalOne!  

For more detailed information, please see the Informed Delivery Mail.dat Mailer Guide. 

FAQs
05/01/2023
FAQs for the IV-MTR API

This document provides answers to FAQs for the IV-MTR API.

Tech Guides
05/01/2023
IV-MTR API Developer Toolkit

The Developer Toolkit provides information about using the Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Application Programming Interface (API). The API enables the mailing industry to integrate mobile and web-based applications with near real-time IV-MTR data through a lightweight data exchange.

Release Notes
04/30/2023
April 30, 2023 Postal One Release Notes
Announcements
04/28/2023
Southern Area - Texas 1 District - Dr. Caesar A.W. Clark Station Sr. Station (75216) - Retail Window Service Temporarily Suspended
Release Notes
04/26/2023
April 26, 2023 Release Notes
Tech Guides
04/26/2023
Occupancy Trends Technical Guide
Announcements
04/26/2023
Central Area - IA-NE-SD District - Office Temporarily Closed
Announcements
04/26/2023
Elimination of USPS Corporate Accounts and Paper Postage Statements Featuring James Duffy
Presentations
04/26/2023
Appeal Received & Under Review
Announcements
04/25/2023
USPS Ship Package Platform System Deployment - PPC R8.0.1.0 - April 26th
Announcements
04/25/2023
Southern Area - Florida 1 District - Clarcona Post Office (32710) - Resumed Operations
Announcements
04/25/2023
Discontinuance of Hardcopy Postage Statements
Presentations
04/25/2023
How to save TSI Submissions
Presentations
04/25/2023
Reply Mail Communication
Presentations
04/25/2023
Retargeting Communications
Data Files
04/21/2023
Occupancy Trends Congressional District Vacant File (TXT) Sample File
Data Files
04/21/2023
Occupancy Trends County Vacant File (TXT) Sample File
Data Files
04/21/2023
Occupancy Trends Route Vacant File (TXT) Sample File
Data Files
04/21/2023
Occupancy Trends ZIP Code Vacant File (TXT) Sample File
Announcements
04/21/2023
Postal Service Implements New Requirements for Using Electronic Indicator for Hazardous Materials
Announcements
04/21/2023
Mail Items Bearing Counterfeit Postage
Announcements
04/21/2023
WestPac Area – California 3 District - Alpaugh Post Office (93201) – Resumed Operations
Announcements
04/21/2023
Business Customer Gateway eDoc Training Series - Intelligent Mail for Small Business Tool - April 25, 2023
Announcements
04/20/2023
Atlantic Area - ME-NH-VT District - Thetford Center - Office Temporarily Closed
Announcements
04/20/2023
Southern Area - Florida 1 District - Clarcona Post Office - Temporarily Suspended
Contact Lists
04/20/2023
CASS™ Certified Products Guide: M L O C R Hardware Manufacturers Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: DSF2® Licensees Data File Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: M L O C R Hardware Manufacturers Data File Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: Residential Delivery Indicator Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: M L O C R Service Bureaus Data File Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: M L O C R Service Bureaus Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: M L O C R Mailers/Users Data File Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: M L O C R Mailers/Users Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: Z4CHANGE Data File Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: Z4CHANGE Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: Vendor/Service Licensees Data File Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
CASS™ Certified Products Guide: Vendor/Service Bureaus Licensees Cycle N - (Expires July 31, 2023)
Contact Lists
04/20/2023
DSF2® Licensees Cycle N: Certified Products Guide - (Expires July 31, 2023)

This document contains the CASS™/MASS™ certified vendors list for DSF2® Licensees for Cycle N.

Contact Lists
04/20/2023
DPV® Licensees Data File Cycle N: Certified Products Guide (D) - (Expires July 31, 2023)

This document contains the CASS™/MASS™ certified vendors list for DPV® Licensees Data File for Cycle N.

Contact Lists
04/20/2023
RDI™ Cycle N: Certified Products Guide (D) - (Expires July 31, 2023)

This document outlines the CASS/MASS certified vendors list for RDI™ Cycle N.

Contact Lists
04/20/2023
DPV® Licensees Cycle N: Certified Products Guide - (Expires July 31, 2023)

This document contains the CASS™/MASS™ certified vendors list for DPV® Licensees Cycle N.

Contact Lists
04/20/2023
CASS™ Software Manufacturers Data File Cycle N: Certified Products Guide (D) - (Expires July 31, 2023)

This document contains the CASS™/MASS™ certified vendors list for CASS™ software manufacturers for Cycle N.

Contact Lists
04/20/2023
CASS™ Software Manufacturers Cycle N - (Expires July 31, 2023)

This document contains the CASS™/MASS™ certified vendors list for CASS software manufacturers for Cycle N.

Contact Lists
04/20/2023
CASS™/MASS™ Certified Products Guide - All Sections Data Files Cycle N - (Expires July 31, 2023)

This document contains the certified vendors list for CASS™ and MASS™ products for Cycle N.

Announcements
04/18/2023
Atlantic Area - ME-NH-VT District - Arlington Post Office - Resumed Operations