Intelligent Mail Package Barcode (IMpb) Updates

Posted on January 28, 2026 by mailomg in Memo 850 // 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 service type codes for Intelligent Mail® Package Barcodes.

IMpb/IMmb Electronic File Transmission Requirements

Intelligent Mail® Package Barcode (IMpb) Specification

This document provides specifications for generating and printing the US Postal Service (USPS) Intelligent Mail® Package Barcode (IM™ Package Barcode). Additionally, this specification governs the production of “Extra Service” barcodes such as Certified, Insurance, Delivery Confirmation, Signature Confirmation, etc.

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Intelligent Mail Package Barcode (IMpb) Updates

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 [...]
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