US Postnet Overview

US Postnet barcode

Postal Numeric Encoding Technique (POSTNET) is a barcode symbology used by the United States Postal Serviceto assist in directing mail.

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

Supported Host Device


Products that Support US Postnet

(This barcode is disabled by default)

Supported Business Application:


Partner Applications

Applications integrated with Socket Mobile's Capture SDK.


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

See complete list of Partner Applications.

Non-Capture SDK Applications

Applications that are not integrated with Socket Mobile's Capture SDK




US Postnet 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 US Postnet by scanning the barcode below*:

Enable US Postnet

Disable US Postnet by scanning the barcode below*:

Disable US Postnet

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 of US Postnet?

A: United States Postal

Q: Need more help?

A: Go here for additional barcode troubleshooting and FAQs.