關於「T-Mobile service」標籤，搜尋引擎有相關的訊息討論：

International roaming services | T-Mobile Supportwww.t-mobile.com › support › coverage › international-ro...International Plans | Traveling Abroad without Roaming Feeswww.t-mobile.com › cell-phone-plans › international-roaming-plansT-Mobile users now get all of North America -