RTO stands for Return to Origin. The process of sending back order to its origin in case of a failed delivery is called RTO. 

In Shiprocket, you can block these RTO pincodes by:

Courier: Download and block all RTO pincodes of the specific courier partner.

Account: Download and block all RTO pincodes specific to your account for the respective courier partner.

Custom: Block RTO pincodes as per your preference by manually entering the pincodes. 

Note: You can view Courier and Account RTO pincodes by clicking the download button.

To know how to block RTO pincodes, follow the steps below:

1. Log in to your account and go to Settings > Courier Selection

2. Here, click on the courier for which you want to block RTO pincodes.

3. Click on the 'Block Pincodes' button to proceed.

4. Select your preferred option and click on submit to save your selection.

You can follow the same steps to unblock the RTO pincodes in future.