An airtime card and associated methods of using the airtime card for the sale and/or authorization of wireless services is disclosed. The methods and airtime card include the use of an airtime card with a near field communication tag with a unique identifier code used to improve a user's experience and ease of authorization/provisioning of services for the wireless device. In some aspects, the unique identifier may be protected by a security code programmed at the point-of-sale of the airtime card. The services to be purchased and authorized may include at least one of the following: out of the box activation, device upgrades, device reactivations, wireless number changes, wireless number porting, and the addition or purchasing of services including airtime, data, and/or SMS enrollments or data content.