Codabar is a linear barcode that encodes digits and a few symbols, framed by start/stop letters A-D. It is still used by libraries and blood banks.

Sample data: A12345B
Codabar is a linear barcode that encodes digits and a few symbols, framed by start/stop letters A-D. It is still used by libraries and blood banks.
Codabar capacity: Digits + limited symbols.
Main uses: Library membership and item cards, Blood bank and specimen labels, Legacy archival systems.
Codabar is a linear barcode.