If you are roaming in the U.S., you`ll receive a free SMS usage warning to let you know if you`ve used 80% of your monthly data roaming on standard networks and another if you reach 100%. We also let you know when you approach and reach the end of the high-speed data available as a courtesy on your favorite networks. “A recent survey of FCC files shows that T-Mobile has frequencies in the continental United States. However, as the Coverage-Viewer shows on T-Mobile`s website, T-Mobile has not established its network in large areas of the Midwest, Am Berg and parts of the eastern United States,” Marsh wrote. “In these vast parts of the country, T-Mobile has a PCS and AWS spectrum that it could use to provide broadband services. Instead, she decided to rely on homelessness. On the other hand, AT-T has set up its network in many of these areas, and especially with the same higher spectrum of frequencies that T-Mobile holds. There is no reason why T-Mobile should not do the same thing. AT-T and Verizon spent money because they knew they would get some of it back as a marketing effort (which shows this huge old card) by gaining part of customers in this sector and partly from roaming revenue. T-Mobile cooperates with other mobile operators in areas where T-Mobile does not offer a service. If you use your phone in one of these areas, you are roaming. In these areas, there are no roaming charges for calls or data usage, but the plan has a roaming limit. International roaming is easy with plans that allow you to use your mobile device while traveling outside the United States.
Learn more on this page, or check out our international roaming site for prices and additional information. In 2009, T-Mobile USA began removing the roaming coverage of AT-T Mobility in many parts of the country and updated its online coverage maps  to reflect the smallest coverage area. AT-T Mobility Roaming remains available in some locations, particularly for small airlines acquired by AT-T Mobility as a result of long-term roaming contracts between T-Mobile and smaller carriers, including Centennial Wireless and Edge Wireless. T-Mobile launched a campaign last spring to get the FCC to adopt new guidelines and enforcement criteria for roaming data agreements. The campaign is an attempt to get the Agency to revise its 2011 roaming data order, which required wireless network operators to provide roaming data on “commercially reasonable” terms. In particular, T-Mobile is asking the FCC to provide benchmarks for the cost of roaming rates. The airline also asks the Commission to clarify that current roaming charges do not necessarily indicate “commercially reasonable” roaming rates and to clarify the rules for sites where network operators do not yet operate the networks but request roaming. If you have one of our recent postpaid plans in recent years (all Magenta, T-Mobile Essentials, all T-Mobile ONE plans or a Simple Choice Plan activated on November 15, 2015, both the voice and mobile Internet), you have 200MB of national roaming data per billing cycle.