public java.util.Date getCreatedTimestamp() {
        return this.createdTimestamp;
    }
<p>
The time when the phone number was created, in <a href="https://www.epochconverter.com/">UNIX epoch time</a>
format.
</p>

@return The time when the phone number was created, in <a href="https://www.epochconverter.com/">UNIX epoch
        time</a> format.
aws-java-sdk-pinpointsmsvoicev2/src/main/java/com/amazonaws/services/pinpointsmsvoicev2/model/PhoneNumberInformation.java