Intelligent Mail Package Barcode Guide

Intelligent Mail Package Barcode (IMpb) Updates

January 28, 2026 // 0 Comments

Here are updated links for Intelligent Mail Package Barcode: Updated List: Service Type Codes for Intelligent Mail® Package Barcode (IMpb) This document provides the updated [...]

NEW PUB 199: Intelligent Mail Package Barcode Guide

October 30, 2019 // 0 Comments

The USPS has released an updated Publication 199: Intelligent Mail Package Barcode (IMpb) Implementation Guide for Confirmation Services and Electronic Verification System [...]