T-Mobile Support - How can I find out the coverage area while I am nationally roaming?

How can I find out the coverage area while I am nationally roaming?

Are you wanting to find out coverage details for the location that you are traveling to? Our Personal Coverage Check will provide you with street level coverage details anywhere in the United States.

If you are a prepaid or FlexPay^SM customer, go to Prepaid and FlexPay Personal Coverage Check.