17 track royal mail

You're referring to the Royal Mail's 17-track barcode!

The 17-track barcode is a unique identifier used by Royal Mail to track and manage mail items. It's a combination of 17 digits that includes information such as the sender's and recipient's addresses, the item's weight, and the postage paid.

Here's a breakdown of what each part of the 17-track barcode typically represents:

  1. First 2 digits: Country code (GB for the UK)
  2. Next 5 digits: Postcode of the sender
  3. Next 5 digits: Postcode of the recipient
  4. Next 2 digits: Item type (e.g., letter, parcel, etc.)
  5. Next 2 digits: Weight band (e.g., 100g, 250g, etc.)
  6. Next 1 digit: Postage paid (e.g., 1st class, 2nd class, etc.)
  7. Next 1 digit: Special services (e.g., signed for, recorded, etc.)
  8. Next 1 digit: Item size (e.g., small, medium, large, etc.)
  9. Next 1 digit: Item shape (e.g., rectangular, cylindrical, etc.)
  10. Next 1 digit: Item orientation (e.g., portrait, landscape, etc.)
  11. Next 1 digit: Item weight (in grams)
  12. Next 1 digit: Item length (in centimeters)
  13. Next 1 digit: Item width (in centimeters)
  14. Next 1 digit: Item height (in centimeters)
  15. Next 1 digit: Item depth (in centimeters)
  16. Next 1 digit: Item volume (in cubic centimeters)
  17. Final digit: Check digit (used to verify the barcode's accuracy)

The 17-track barcode is used to track mail items throughout their journey, allowing Royal Mail to efficiently manage their mail processing and delivery operations.