Contact Lists
04/18/2024
CASS™ Certified Products Guide: Vendor/Service Bureaus Licensees Cycle O - (Expires July 31, 2028)
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04/18/2024
CASS™ Certified Products Guide: DSF2® Licensees Data File Cycle O - (Expires July 31, 2028)
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04/18/2024
DSF2® Licensees Cycle O: Certified Products Guide - (Expires July 31, 2028)
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04/18/2024
DPV® Licensees Data File Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)
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04/18/2024
DPV® Licensees Cycle O: Certified Products Guide - (Expires July 31, 2028)
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04/18/2024
CASS™ Software Manufacturers Data File Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)
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04/18/2024
CASS™ Software Manufacturers Cycle O - (Expires July 31, 2028)
Contact Lists
04/18/2024
CASS™/MASS™ Certified Products Guide - All Sections Data Files Cycle O - (Expires July 31, 2028)

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

Fact Sheets
04/18/2024
Service Type Identifier (STID) Table Effective January 21, 2024

The STID (Service Type Identifier) is a three-digit numeric code used within the Intelligent Mail® barcode (IMb™) on a mailpiece that identifies the address correction or other electronic services desired. The STID Table allows you to determine which STID to use based on the mail class, address correction option, use of IV®-MTR and whether the mail contains a Full Service or Basic IMb.

Fact Sheets
04/18/2024
Locale Type Codes

Listing of available Locale Type Codes