# Search an opt-out list for a destination phone number in AWS End User Messaging SMS
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Use the AWS End User Messaging SMS console to search an opt-out list to see if it contains a destination number.

1. Open the AWS End User Messaging SMS console at [https://console.aws.amazon.com/sms-voice/](https://console.aws.amazon.com/sms-voice/).

1. In the navigation pane, under **Configurations**, choose **Opt-out lists**.

1. On the **Opt-out lists** page, choose an opt-out list. 

1. On the **Opted-out numbers** tab enter a phone number into the search field. The phone number must be in E.164 format, for example **\$112065550149**.

1. Choose **Search**.