Code 128 Overview


Code 128 is a linear barcode that can encode all 128 ASCII character set. It is commonly used for several implementations and is referred to as ISBT 128, GS1-128, UCC-128, EAN-128 and USS Code 128.

How to scan 1D and 2D barcodes (EN)

Supported Host Device


Supported Business Applications:

Partner Applications

Applications integrated with Socket Mobile's CaptureSDK.


Verify with your application provider that Socket Mobile's latest CaptureSDK was implemented in your app. See the latest CaptureSDK version.

See complete list of business applications.

Non-CaptureSDK Applications

Applications that are not integrated with Socket Mobile's CaptureSDK:



Code 128 is supported by default on all Socket Mobile barcode scanners. You can enable or disable this symbology on your Socket Mobile scanner simply by scanning the codes below.  Note: Scanner must be in a disconnected state before scanning the command barcode.

Enable Code 128 by scanning the barcode below*:


Disable Code 128 by scanning the barcode below*:


See the full programming guide for more info and troubleshooting.
* D750 requires separate enable/disable command barcodes found in the programming guide.

Troubleshooting / FAQ

Q: What is the typical usage for Code 128?

A: Shipping Industry to identify containers and items, packaging and wholesale industry to identify items and Healthcare, drugs and medical equipment industry.

Q: How to remove number of characters from Code 128?

A: App coming soon, please fill out a barcode support form.

Q: Need more help?

A: Go here for additional barcode troubleshooting and FAQs.