The Intelligent Mail Package Barcode (IMpb) is a USPS package barcode used for certain parcel services. USPS requirements vary by service and mailing; Mail Movers can help you review the requirements that may apply.
What is IMpb?
The Intelligent Mail Package Barcode (IMpb) is a package barcode that uses variable-length data. It is distinct from the IMb used on cards, letters, and flats. USPS requirements and available service features vary by package service and mailing.
- Package identification for applicable services
- Service-specific status events, when available
- Package data to support mailing workflows
- Information for customer-service workflows
