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About Barcodes
Linear Barcodes
Linear barcodes can be printed in varying densities (sizes) consistent with the available space and the distance from which they are to be scanned. They are designed for use with numeric-only data, some with alpha-numeric, some include ASCII character sets.
Common Symbologies Typical Uses Example
  • UPC
  • Code 39
  • 2 of 5
  • Interleaved 2 of 5
  • EAN
  • Code 28
  • Code 93
  • Code 49
  • retail packages
  • package tracking
  • stock room inventory
  • work-in-process
  • asset inventory
  • door-access control
  • personnel identification
 Code 39:
Two-dimensional (2D) Barcodes
2D barcodes are used where a smaller barcode is needed, where barcodes are to be scanned while moving at high speeds, and where barcode orientation is a problem and/or where more data is required. 2D barcodes with up to 3,000 characters can be printed.
Common Symbologies Typical Uses Example
Stacked linear barcodes
  • 16
  • 49
  • PDF417
  • CodaBlock
  • SuperCode
  • Mini PDF417
 Matrix barcodes
  • MaxiCode
  • DataMatrix
  • Aztec
  • QR
  • VeriCode
  • UltraCode
  • military ID badges
  • employee ID badges
  • drivers licenses
  • bills of lading/manifests
  • asset tracking
  • laboratory equipt. calibration labels
  • hospital / laboratory ID & sample tracking
  • small package tracking
    (UPS, FedEx, RPS, etc.)
 PDF417:
Aztec:
Postal Code Barcodes
These proprietary codes were developed by and for various postal services. They are typically read by special high speed sortation scanners and by special Optical Character Reader (OCR) devices. The U.S. Postal Service is now using fluorescent "Bar/No Bar" codes on the backs of envelopes; these are being read by special sortation scanners at USPS facilities.
Common Symbologies Typical Uses Example
  • Postnet
  • BPO 4-State
  • CPC 4-State
  • U.S. Postal Service
 Postnet:
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