1d-industrial
Code 128 (Code 128)
High-density alphanumeric linear barcode widely used across enterprise shipping, transport labels, warehouse bin tags, and asset control.
Governing Specification: ISO/IEC 15417:2007
Data Format & Required Fields
Employs three code sets (A, B, C) with dynamic code switching to compress pairs of numeric digits into single code symbols.
Allowed Character SetStandard printable ASCII characters (32-126).
Payload Length Rule Between 1 and 80 characters
Check Digit / Checksum Rule Requires a verified modulo-103 check digit to prevent scanner misreads and data transposition errors.
Example Valid Format
PRX-SHP-2026-99014Industry Guidance & Practical Applications
- Warehouse management systems (WMS) bin and pallet identifiers
- FedEx, UPS, and internal logistics routing slips
- Automotive component manufacturing and AIAG B-10 shipping labels
- Indian consumer packaged goods (CPG) master carton batch and expiry tracking
- Capital asset inventory tags
Packaging & Scanning Notes: Default choice for custom, internal, or non-GS1 supply chain alphanumeric tracking. Essential across Indian automotive (AIAG) and CPG manufacturing for outer carton labels, batch numbers, and expiry tracking.
Symbol Constraints & Label Guidelines
- 1D linear codes require sufficient width on narrow packages.
- Mandates a 10-module quiet zone before start and after stop patterns.