Wordpress will use either www or non-www as the base URL for your site. If you have set the site to use prepaid3.com, then it will redirect when typing in www.prepaid3.com. Also, if you set it to use www.prepaid3.com it will redirect if you type in prepaid3.com.
If you wish to force your site to always use the www, just perform the following steps:
|Email:||support@WebHostingHub.com||Ticket:||Submit a Support Ticket|
|Chat:||Click To Chat Now|