Intelligent Mail Introduction

Intelligent Mail barcode, also known as the USPS OneCode Solution or USPS 4-State Customer Barcode (abbreviated 4CB, 4-CB, or USPS4CB), is used in the USPS mainstream. It combines routing ZIP Code information and tracking information into a single 4-state code. It effectively encodes data from POSTNET and PLANET barcodes into a single barcode while providing a greater range of tracking data.

OnBarcode provides comprehensive Intelligent Mail generators and scanner components for Java, .NET, Android, iOS developments and several reporting applications.

The structure of Intelligent Mail is as below:

Barcode height should be from 0.125 inch to 0.165 inch. Barcode width should be 20 - 24 bars per inch, which is 0.015 to 0.025 inch per bar.

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The distance from the lead (left) edge of the 1st (left most) bar to the lead (left) edge of the 65th (right most) bar shall never be less than 2.667 inches or greater than 3.225 inches.

Quiet zone (Clear zone) shall be placed around the barcode to ensure that barcode readers can locate and read the barcode. A minimum quiet zone shall be 0.028 inch above and below the barcode and 0.125 inch on each end of the barcode.

Please get details from Intelligent Mail size setting instruction.

Intelligent Mail Barcode can encode a maximum number of 31 digits in all, including data includes tracking code and routing code.

• Tracking code has 20 digits including the Barcode Identifier, Service Type Identifier, Mail Identifier, and Serial Number fields.
• The routing code can be 0, 5, 9, or 11 digits.

Position

The human-readable information, when required, shall be printed immediately above or below the Intelligent Mail barcode, as specified by the appropriate publications that describe these services. The human-readable information shall be outside the vertical quiet zone.

When printed above the barcode, the bottom of the human-readable information shall be at least 0.028 inch above the top of the Intelligent Mail barcode but shall not be more than 0.5 inch above the top of the Intelligent Mail barcode.

When printed below the barcode, the top of the human-readable information shall be at least 0.028 inch below the bottom of the Intelligent Mail barcode but shall not be more than 0.5 inch below the bottom of the Intelligent Mail barcode. No other printing is allowed between the barcode and the human-readable information.

Content

The human-readable information, when required, shall consist of the 20-digit tracking code and the 5-, 9-, or 11-digit routing code, if present.

The fields of the tracking code, as defined in 3.1.3, shall be separated with a space added between data fields.

When the barcode contains a routing code, the 5-digit ZIP Code, the 4-digit add-on, and the remaining 2 digits shall be separated with a space added between data fields.

Font Specification

The human-readable information, when required, shall be printed using a sans serif font and a minimum of 10- to 12-point size type.