Unlimited calling plans are a very smart choice! You get unlimited calling during any hour of the day, 7 days a week. All of the major carriers now offer unlimited calling plans. Sprint, AT&T, Verizon, T-Mobile, Nextel, and Alltel all have unlimited free calling plans. Most start just under $100 per month. If you have ever paid a huge cell phone bill because you accidentally went way over your minutes, then you know that $100 per month is a great deal! Select an unlimited calling plan below, and then pick your favorite cell phone!