What is IMB Barcode?
IMB (Intelligent Mail Barcode) is the current barcode standard used by the United States Postal Service (USPS) for mail sorting, tracking, and identification. It combines the functionality of POSTNET and PLANET into a single barcode, encoding routing information, tracking data, and service type. IMB is required for bulk mailings to qualify for postal discounts and enables comprehensive mail tracking throughout the USPS delivery network.
Why Use IMB Barcodes?
USPS Standard
Current USPS standard for bulk mailings, required for postal discounts and automated processing.
Full Tracking
Provides complete mail tracking from acceptance through delivery, enabling end-to-end visibility.
Combined Function
Replaces both POSTNET and PLANET, combining sorting and tracking in a single barcode.
Postal Discounts
Required for bulk mailings to qualify for USPS postage discounts and automated processing benefits.
How to Use IMB Barcodes
- Get USPS Barcode ID: Obtain a unique barcode ID from USPS for your mailings. This is required for IMB encoding.
- Enter Mail Data: Input routing information, tracking data, and service type. IMB encodes comprehensive mail information.
- Customize Design: Adjust width scale and height. IMB uses specific bar patterns for encoding.
- Print on Mail: Print IMB barcodes on envelopes or mail pieces following USPS placement and quality guidelines.
Frequently Asked Questions
IMB (Intelligent Mail Barcode) is the current USPS standard that combines sorting (POSTNET) and tracking (PLANET) functionality into a single barcode. POSTNET and PLANET are older standards that IMB replaces. IMB provides more data capacity and better tracking capabilities.
Yes, IMB is required for bulk mailings to qualify for USPS postage discounts. It's the current standard for automated mail processing and tracking. Contact USPS for barcode ID registration.
IMB encodes routing information (ZIP codes), tracking data (unique mail piece identifier), service type, and other mail processing information. It provides comprehensive data for sorting and tracking.
IMB barcodes should be placed in the address area, typically in the lower right portion of the envelope, below the delivery address. Follow USPS guidelines for exact placement, clear zone, and quality requirements.
No, IMB is specifically for US mail processed by USPS. International mail uses different barcode standards specific to each country's postal service.
Contact USPS to register for a unique barcode ID. You'll need to provide business information and mail volume details. USPS will assign you a unique identifier for IMB encoding.
IMB barcodes should be printed in high contrast (typically black bars) for reliable scanning by postal sorting machines. USPS has strict requirements for barcode contrast, quality, and print resolution.
IMB barcodes have specific USPS size requirements. Follow USPS specifications for exact dimensions, bar heights, and spacing. Print at 300+ DPI for best results and ensure proper contrast.
IMB is not required for personal mail, but it can help with tracking. It's primarily used for bulk business mail to qualify for postal discounts and comprehensive tracking capabilities.
Yes! If you're logged in, you can edit saved IMB barcodes and update the mail data, colors, size, or other settings. The barcode will be regenerated with the new information.
