T-Mobile has been undergoing a phone and text message outage across the US since around 10am PT (Zack Whittaker/TechCrunch)

[ad_1] Zack Whittaker / : T-Mobile has been undergoing a phone and text message outage across the US since around 10am PT  —  T-Mobile appears to be having problems.  —  Customers are reporting that they can’t make or receive phone calls, although data appears to be unaffected.  Some customers say that text messaging is also…