Intelligent Mail Barcode Barcode generator
Generate easy & customizable Intelligent Mail Barcode Barcodes in seconds.
Make sure to test out your configured barcode before using it in production.
Free Intelligent Mail Barcode Generator – Create Barcodes Online
Generate USPS Intelligent Mail Barcodes (IMB) in seconds with TryQRCode.
Create a free Intelligent Mail Barcode (IMB) for USPS mail routing and tracking. Customize the colors, width, and height, preview it live, and download it as PNG, SVG, JPG, or WEBP for postal labels, business mail, and postage documentation. No login or technical skills required.
Generate Intelligent Mail BarcodeWhat is an Intelligent Mail Barcode (IMB)?
The USPS Intelligent Mail Barcode (IMB) is a four-state barcode symbology that uses 65 vertical bars to encode both routing (ZIP code) and tracking data in a single symbol. It combines the functions of the retired POSTNET and PLANET barcodes, carrying the mailer ID, serial number, and service type information alongside the delivery address. IMB is the standard for USPS business mail, Smart Mail, and postage-discount-eligible mailings.
In short: The IMB is a 65-bar USPS four-state barcode that packs routing and tracking data into one symbol, replacing both POSTNET and PLANET.
Intelligent Mail Barcode Quick Facts
| Encodes | Routing (ZIP) and tracking data (mailer ID, serial, service type) |
|---|---|
| Length | 65 vertical four-state bars (fixed length) |
| Symbology | Four-state encoding (ascender, descender, tracker, full bar) |
| Check digit | Built-in checksum for routing and tracking integrity |
| Encoding standard | USPS IMB specification (Mail.dat / Intelligent Mail STANDARD) |
| Typical use | USPS business mail, Smart Mail, postage discounts, mail tracking |
How to Create Your Intelligent Mail Barcode
Follow these four steps to generate an IMB barcode in under a minute.
1
Enter Your Data
Type or paste your USPS routing and tracking data including ZIP code and mailer ID.
2
Customize the Look
Adjust foreground and background colors, width scale, height, and toggle the human-readable text.
3
Generate & Preview
Your barcode renders instantly with a live preview so you can verify it before download.
4
Download & Print
Export as PNG, SVG, JPG, or WEBP and use it on postal labels, mail pieces, and documentation.
No registration required. Your barcode is generated in seconds and ready for print or digital use.
Benefits of Intelligent Mail Barcode Barcodes
Why teams and businesses choose Intelligent Mail Barcode barcodes for dependable, scannable identification.
USPS Standard
The official barcode for USPS business mail, Smart Mail, and postage-discount programs.
Dual Function
Combines routing and tracking in a single symbol, replacing both POSTNET and PLANET.
Checksum Verified
Built-in checksum ensures accurate scanning for both routing and tracking data.
Postage Discounts
Mailings with IMB barcodes qualify for USPS postage discount programs.
Full Mail Visibility
Mailer ID, serial number, and service type enable end-to-end mail-piece tracking.
Wide Scanner Support
Read by all modern USPS processing equipment and most commercial barcode readers.
Common Use Cases for Intelligent Mail Barcode
See how Intelligent Mail Barcode barcodes are used across retail, logistics, healthcare, and manufacturing.
USPS Business Mail
Standard barcode for first-class, standard, and periodical business mail.
Smart Mail & Automation
Used by USPS for intelligent mail processing and automated sorting.
Mail Tracking
Provides visibility into when a mail piece enters, moves through, and is delivered by USPS.
Enterprise Mailings
Used by banks, utilities, insurance companies, and government agencies for bill-statement mail.
Postage Discount Programs
Required for USPS automation-rate and commercial postage discounts.
Delivery Confirmation
Enables inbound and outbound tracking for critical mail pieces.
Intelligent Mail Barcode – Frequently Asked Questions
Quick answers about how IMB works and where it is used in the USPS system.
The Intelligent Mail Barcode (IMB) replaced both POSTNET and PLANET, combining their routing and tracking functions into a single 65-bar four-state symbol.
An IMB barcode consists of exactly 65 vertical four-state bars (ascender, descender, tracker, or full bar).
Yes. The IMB encodes a mailer ID, serial number, and service type that allow USPS to track individual mail pieces through the postal system.
Yes. USPS automation-rate and commercial postage discounts require mail to bear an IMB or other qualifying barcode.
The IMB encodes routing data (ZIP code), a mailer ID, a serial number, and a service type identifier in 65 four-state bars.
IMB is the barcode symbology used by USPS Smart Mail and other USPS automation programs. Smart Mail is a broader service that uses IMB as its encoding standard.
Create Your Free Intelligent Mail Barcode Now
Generate a scannable IMB barcode in seconds—download it in any format for USPS business mail, tracking, and postage discounts.
Generate Intelligent Mail Barcode
Free, unlimited generation with a live preview—no sign-up needed, only with TryQRCode.