Also known as USPS PIC Code 128, USPS Package Identification Code USS Code 128, USPS Confirmation Services Tracking Number Barcode USS Code 128

Privately printed domestic forms and labels feature a Package Identification Code (PIC) represented by a Code 128 barcode.

The Code 128 Barcode Format for Package Identification Code is made up of four fields totaling 20 characters. The four required data fields are:

Service Type Code (STC): Service Type Codes are 2-digit designators used to represent type of product and service used for each item. Use one of the following numbers depending on the service being used: Certified Mail (71), Insured Mail (73), Registered Mail (77), and Return Receipt for Merchandise (81).
Customer ID: 9-digit; DUNS number that uniquely identifies the customer
Package Sequence Number (PSN): 8-digit; fixed sequential number
Modulus 10 Check digit: It is a digit added at the end of a sequence of numbers that validates the authenticity of the number. It can be automatically calculated and encoded by Barcode Professional if needed.

Sample of a USPS Package Identification Code Barcode (USS Code 128) barcode

Note: Please refer to the Class Reference documentation for more information about the properties and methods stated in this document.

In order to get a Sample of a USPS Package Identification Code Barcode (USS Code 128) barcode image, please follow these steps:

Set the Symbology property to UspsPicCode128
Setting up dimensions and quiet zones:
- Set the BarWidth property to a value ranging from 0.015 to 0.017 (Values are expressed in Inches)
- Set the BarHeight property to 0.75 (Values are expressed in Inches)
- Set the QuietZoneWidth property to 0.25 (Value is expressed in Inches)
- Set the TopMargin and BottomMargin properties to 0.125 (Values are expressed in Inches)
Set the Code property with the value to encode i.e. 19 or 20 digits

Code property = 71123456789123456787 will produce the following barcode image:

USPS Package Identification Code Barcode (USS Code 128)