Postal · since 2006
Intelligent Mail barcode
US mail sorting and tracking
Four-state bars (full, ascender, descender, tracker) carry routing and tracking data in 65 bars, combining what POSTNET and PLANET did.
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Explore › Postal › Intelligent Mail barcode
At a glance
- Introduced
- 2006
- Created by
- United States Postal Service
- Characters
- Digits 0–9
- Length
- 20, 25, 29 or 31 digits
- Check
- 11-bit CRC
- Capacity
- 31 digits
