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Announcements
09/18/2026

Call for Presentations Open - Share Your Expertise at NPF 2027

Announcements
09/18/2026

INFORMATIONAL - Call for Presentations Open – Share Your Expertise at NPF 2027

Presentations
09/18/2026

National Virtual AIM Meeting - September 17, 2026 - Recording

Applications/ Forms
09/18/2026

ZIP Code Boundaries Order Form

Applications/ Forms
09/18/2026

ZIP Code Boundaries License Agreement

Data Files
09/18/2026

ZIP Code Boundaries GeoJSON Sample File

Data Files
09/18/2026

ZIP Code Boundaries Sample File

09/18/2026

ZIP Code Boundaries Technical Guide

Fact Sheets
09/18/2026

ZIP Code Boundaries Briefing Sheet

Presentations
09/18/2026

National Virtual AIM Meeting - September 17, 2026

Data Files
09/18/2026

Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Development Tracker

This document provides a list of active IV-MTR work to be as well as items completed in the current fiscal year.

*Please note, Postal Pro is the only source for a current IV-MTR Development log as updates will be made on an ongoing basis.

Applications/ Forms
09/17/2026

Emerging Roads Order Form

Applications/ Forms
09/17/2026

Emerging Roads License Agreement

Data Files
09/17/2026

Emerging Roads 1-year GeoJSON Sample File

Data Files
09/17/2026

Emerging Roads 30-days GeoJSON Sample File

Data Files
09/17/2026

Emerging Roads 1-year Geodatabase Sample File

Data Files
09/17/2026

Emerging Roads 30-days Geodatabase Sample File

09/17/2026

Emerging Roads Technical Guide

Fact Sheets
09/17/2026

Emerging Roads Briefing Sheet

Announcements
09/17/2026

INFORMATIONAL - Federal Ballot Mail Rule for 2026

Contact Lists
09/17/2026

CASS™ Certified Products Guide: Residential Delivery Indicator Cycle O - (Expires July 31, 2028)

Contact Lists
09/17/2026

RDI™ Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

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

Contact Lists
09/17/2026

CASS™ Certified Products Guide: M L O C R Mailers/Users Data File Cycle O - (Expires July 31, 2028)

Contact Lists
09/17/2026

CASS™ Certified Products Guide: M L O C R Mailers/Users Cycle O - (Expires July 31, 2028)

Contact Lists
09/17/2026

CASS™ Certified Products Guide: M L O C R Service Bureaus Data File Cycle O - (Expires July 31, 2028)

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Filter Resources

Call for Presentations Open - Share Your Expertise at NPF 2027

INFORMATIONAL - Call for Presentations Open – Share Your Expertise at NPF 2027

National Virtual AIM Meeting - September 17, 2026 - Recording

ZIP Code Boundaries Order Form

ZIP Code Boundaries License Agreement

ZIP Code Boundaries GeoJSON Sample File

ZIP Code Boundaries Sample File

ZIP Code Boundaries Technical Guide

ZIP Code Boundaries Briefing Sheet

National Virtual AIM Meeting - September 17, 2026

Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Development Tracker

Emerging Roads Order Form

Emerging Roads License Agreement

Emerging Roads 1-year GeoJSON Sample File

Emerging Roads 30-days GeoJSON Sample File

Emerging Roads 1-year Geodatabase Sample File

Emerging Roads 30-days Geodatabase Sample File

Emerging Roads Technical Guide

Emerging Roads Briefing Sheet

INFORMATIONAL - Federal Ballot Mail Rule for 2026

CASS™ Certified Products Guide: Residential Delivery Indicator Cycle O - (Expires July 31, 2028)

RDI™ Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Mailers/Users Data File Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Mailers/Users Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Service Bureaus Data File Cycle O - (Expires July 31, 2028)

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