KIX (PostNL) Barcode generator
Generate easy & customizable KIX (PostNL) Barcodes in seconds.
Make sure to test out your configured barcode before using it in production.
Free KIX (PostNL) Barcode Generator – Create Barcodes Online
Generate PostNL KIX postal barcodes in seconds with TryQRCode.
Create a free KIX barcode for Dutch mail sorting and customer-code encoding. Customize the colors, width, and height, preview it live, and download it as PNG, SVG, JPG, or WEBP for postal labels, mail manifests, and sorting guides. No login or technical skills required.
Generate KIX (PostNL) BarcodeWhat is a KIX (PostNL) Barcode?
KIX (Klant index, meaning "Customer Index") is a four-state barcode used by PostNL in the Netherlands for automated mail sorting. It is derived from the Royal Mail RM4SCC standard and encodes an 11-character Dutch customer code that identifies the recipient or postal delivery point. KIX barcodes are printed on mail to enable automated sorting through PostNL distribution centres, streamlining the Dutch postal system.
In short: KIX is the PostNL four-state barcode that encodes an 11-character Dutch customer code for automated mail sorting in the Netherlands.
KIX (PostNL) Quick Facts
| Encodes | 11-character Dutch customer code (alphanumeric) |
|---|---|
| Length | 11 characters (fixed length) |
| Symbology | 4-state bar encoding (derived from RM4SCC) |
| Check digit | Checksum derived from RM4SCC modulus-23 algorithm |
| Encoding standard | PostNL KIX specification |
| Typical use | Dutch mail sorting, delivery-point identification, postal routing |
How to Create Your KIX (PostNL) Barcode
Follow these four steps to generate a KIX barcode in under a minute.
1
Enter Your Data
Type or paste your 11-character Dutch customer code.
2
Customize the Look
Adjust foreground and background colors, width scale, height, and toggle the human-readable text.
3
Generate & Preview
Your barcode renders instantly with a live preview so you can verify it before download.
4
Download & Print
Export as PNG, SVG, JPG, or WEBP and use it on mail labels, manifests, and sorting guides.
No registration required. Your barcode is generated in seconds and ready for print or digital use.
Benefits of KIX (PostNL) Barcodes
Why teams and businesses choose KIX (PostNL) barcodes for dependable, scannable identification.
PostNL Standard
The official barcode symbology for automated mail sorting in the Netherlands.
Four-State Encoding
Four distinct bar states provide efficient data encoding in a compact linear symbol.
Checksum Verified
Uses the RM4SCC-derived modulus-23 checksum for scanning accuracy.
Automated Routing
Enables PostNL to sort and route mail automatically through distribution centres.
RM4SCC Compatible
Built on the Royal Mail RM4SCC standard, making it familiar to postal barcode systems.
Fast Decoding
Read quickly by PostNL processing equipment for high-throughput mail handling.
Common Use Cases for KIX (PostNL)
See how KIX (PostNL) barcodes are used across retail, logistics, healthcare, and manufacturing.
Dutch Mail Sorting
Automated sorting of letters and parcels through PostNL distribution centres.
Delivery-Point Identification
Encodes the 11-character code that identifies each Dutch delivery point.
Business Mail
Printed on bulk business mailings in the Netherlands for automated processing.
Postal Manifests
Included on mail manifests and despatch documents for PostNL processing.
Logistics & Distribution
Used in Dutch logistics for routing parcels and mail by delivery-point code.
International Reference
Studied as a key example of RM4SCC-derived national postal barcode standards.
KIX (PostNL) Barcode – Frequently Asked Questions
Quick answers about how KIX works and where it is used in the Netherlands.
KIX stands for Klant index, which translates to "Customer Index" in English. It identifies Dutch postal delivery points.
A KIX barcode encodes exactly 11 characters, which form the Dutch customer/delivery-point code.
Yes. KIX is derived from the Royal Mail RM4SCC four-state encoding standard and uses the same bar-state patterns.
KIX is used by PostNL, the primary postal service in the Netherlands, for automated mail sorting and routing.
KIX uses a checksum derived from the RM4SCC modulus-23 algorithm to verify the integrity of the encoded data.
While KIX is designed for the Dutch postal system, it can be generated anywhere for testing, educational, or integration purposes.
Create Your Free KIX (PostNL) Barcode Now
Generate a scannable KIX barcode in seconds—download it in any format for Dutch postal sorting and delivery-point encoding.
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