> For the complete documentation index, see [llms.txt](https://apidocs.gsped.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://apidocs.gsped.com/gsped-api-english-version/spedizioni-e-dintorni/shipment/corrieri/usps-return.md).

# USPS Return

{% hint style="warning" %}
This courier only allows USA-USA returns to the contract owner's premises
{% endhint %}

## Gsped code list

<table data-full-width="true"><thead><tr><th>Service</th><th data-type="number">Courier code</th><th data-type="number">Service code</th><th>Notes</th></tr></thead><tbody><tr><td>Priority Mail Return Service</td><td>21</td><td>0</td><td>Domestic, returns only</td></tr><tr><td>First-Class Package Return Service</td><td>21</td><td>1</td><td>Domestic, returns only</td></tr><tr><td>Ground Return Service</td><td>21</td><td>2</td><td>Domestic, returns only</td></tr><tr><td>PRS – Full Network</td><td>21</td><td>3</td><td>Domestic, returns only</td></tr></tbody></table>