Intelligent Mail Package Barcode
This page contains information about the Intelligent Mail package barcode (IMpb) the Postal Service is proposing for package products and Confirmation Services. The IMpb will provide piece-level data to enable the Postal Service to increase efficiency, add value to its package product line, and enhance its package tracking capabilities.
Intelligent Mail Package Barcode Specification
This document provides specification for generating and printing the USPS Intelligent Mail package barcode (IMpb). Additionally, this specification governs the production of "Extra Services" barcodes.