AT&T and Apple today announced three simple, affordable service plans for iPhone which start at US$59.99 per month. All three plans include unlimited data, Visual Voicemail, 200 SMS text messages, roll-over minutes and unlimited mobile-to-mobile calling. With everything else already included, iPhone customers can easily choose the plan that’s right for them based on the amount of voice minutes they plan to use each month. In addition, iPhone customers can choose from any of AT&T’s standard service plans.