Assurance Wireless minutes are available by purchasing a Virgin Mobile Top-Up card. Customers can also purchase Top-Up minutes online through the Virgin Mobile website using a credit card, debit card or a PayPal account.
Go to VirginMobileUSA.com and click "Top-Up" at the top of the page. On the Top-Up page, type in your Assurance Wireless number and Top-Up card pin number and click the "Top-Up Now" button. As of April 2015, Assurance Wireless also offers plan upgrades that add more minutes and features to its free minute plans. You can add an additional 250 minutes for $5.00 per month or get the Unlimited Talk, Text, and Web plan for $30.00 per month. These upgrades are in addition to the original 250 free minutes.