The Global Trade Item Number
Officially known as the Global Trade Item Number (GTIN), the 12-digit number contains a company identification number assigned by GS1 US, the product number and a check digit for validating accuracy. Unlike the EPC code in an RFID system, UPC codes do not include a unique serial number and cannot be used for individual item tracking.
UPC bar codes and scanners were introduced in the early 1970s. In the mid-1980s, UPCs were added to shipping containers, and mandates from retailers such as K-Mart and Wal-Mart caused them to be widely adopted. See bar code scanner. Contrast with EPC and RFID.
UPC Codes Everywhere
You can hardly pick up a retail package that does not have a UPC bar code on it.
![]() | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- iBarcoder 2.9.4 (Mac)
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- The PrecisionID Native ASP Barcode Generator creates barcodes on the web from without any additional components or DLLs. Complete ASP source code is provided in the purchased version. Compatible with any server that supports ASP, including Microsoft Internet Information Server IIS. Create Code 128, Code 39, UPC, Interleaved 2 of...
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- Cacidi Extreme Barcodes CS4 allows you to create barcodes directly in your InDesign document by simply selecting the barcode type and entering your data in the barcodes palette. A large selection of barcode types. You can choose from all the most frequently used types of barcodes, including EAN-8, EAN-13, UPC-A,...
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- RedLaser 2.2 (Mobile)
- RedLaser is a real-time barcode scanner for your iPhone. It does not require auto-focus. RedLaser searches for online prices and lets you email a list of scanned products to yourself or a friend. Through two scanning modes, RedLaser supports all standard UPC and EAN barcodes.
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- FoodScanner for iPhone allows you to use your iPhone's camera to scan UPC barcodes on the foods you eat. FoodScanner for iPhone is the absolute quickest and easiest way to find foods and track how many calories you eat throughout the day. It find foods by scanning UPC barcodes or...
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- VintaSoftBarcode.NET Library - the high-end barcode reader and writer component for .NET developers. It supports reading & writing of 1D, postal and 2D barcodes in digital images and PDF files. Supported barcode types: Australian Post, Code 11, Code 39, Code 93, Code 128, Codabar, Data Matrix, EAN-8, EAN-13, Industrial standard...
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- IDAutomation ASP.NET GS1 Databar Web Server Control 9.9 (Windows)
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- Labels & Addresses former Mail Factory is a home and office tool for printing all sorts of labels and envelopes. Merge printing capability makes the program a great tool for Holiday seasons, by helping users to design and print multiple greeting envelopes and postcards with automatically substitutable addresses and postal...
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- Barres 2.5.0 (Mac)
- A simple barcode generation application. It can generate the following type of barcodes: EAN13 (13 digits), UPC (12 digits) and SCC14 (14 digits). UPC and EAN codes are used globally for commerce, and make up an important part of the automated supply chain. If you have a product that you...
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- The Universal Product Code has been used in the North American retail industry since 1973. There are two different versions of UPC bar codes, UPC-A and UPC-E. The UPC-A bar code is 12 digits long, including its checksum. UPC-E bar codes are special shortened versions of UPC-A bar codes and...
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- The ASP .NET Barcode Web Server Control is a new drag-and-drop component that easily adds dynamic barcoding capability to Microsoft .NET Web Applications. It is a server-side component that creates JPEG images, therefore all processing takes place on the server and it is compatible with all web browsers. On-line barcodes...
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