Announcements
09/28/2023
09/28/2023
Announcements
09/26/2023
09/26/2023
Technical Specifications
09/26/2023
09/26/2023
Retail Distribution Codes (RDC) Data Dictionary
This document contains the file format of the RDC Assignment files and the logic to determine the correct Retail Distribution Code (RDC).
Release Notes
09/26/2023
09/26/2023
Data Files
09/26/2023
09/26/2023
Retail Distribution Codes (RDC) Assignment File
This downloadable file provides information on the Retail Distribution Codes (RDC) Assignment.
Data Files
09/26/2023
09/26/2023
Retail Distribution Codes (RDC) Assignment File Compressed
This document provides information on the Retail Distribution Codes (RDC) Assignment File.
Tech Guides
09/25/2023
09/25/2023
MASS™ Technical Guide for Cycle O
This document provides a technical guide for MASS™ Cycle O. MASS™ is an extension of the CASS™ system.
Tech Guides
09/25/2023
09/25/2023
CASS™ Technical Guide for Cycle O
This document provides a technical guide for the CASS™ product. The CASS certification process is designed in cooperation with the mailing industry to improve the accuracy and deliverability of addresses for mail qualifying for postal discounts.
Data Files
09/25/2023
09/25/2023
Data Files
09/25/2023
09/25/2023