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.

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.

Election Mail and Ballot Mail STID Finder

The Election Mail and Ballot Mail Service Type IDentifier (STID) Finder is a tool designed to assist election officials and their mail service providers in selecting an appropriate Election Mail and Ballot Mail STID for their outbound mailings.*

Appendix A: Ancillary Service Type Identifier (STID) Details

Appendix A provides a detailed description of the various address correction options available within basic / Nonautomation and full-service mailings and the STIDs that provide the different undeliverable-as-addressed (UAA) treatments.

Appendix A: Ancillary Service Type Identifier (STID) Details

Appendix A provides a detailed description of the various address correction options available within basic / Nonautomation and full-service mailings and the STIDs that provide the different undeliverable-as-addressed (UAA) treatments.

Political Mail & Official Election Mail STIDs Fact Sheet

Political Mail & Official Election Mail STIDs Fact Sheet

Service Type Identifier (STID) Quick Service Guide

This document provides quick information about the STID (Service Type Identifier) - a three-digit numeric code used within the Intelligent Mail® barcode (IMb™).

Service Type Identifier (STID) Quick Service Guide

This document provides quick information about the STID (Service Type Identifier) - a three-digit numeric code used within the Intelligent Mail® barcode (IMb™).

New IMb Political Mail Service Type IDs For Letters & Flats Effective July 27, 2020

New IMb Political Mail Service Type IDs For Letters & Flats Effective July 27, 2020

Share Mail™ FAQ

This document covers FAQs for Share Mail, including submission requirements, payments and reporting, and general product questions.

Intelligent Mail® Barcode (IMb) 4-State Specification

This document provides the specifications for generating and printing the Intelligent Mail® barcode (IMb) used in the U.S. Postal Service (USPS) mailstream.

Intelligent Mail® Barcode (IMb) Resources

This fact sheet provides a listing of Intelligent Mail Barcode resources.