To check your balance via SMS, all you have to do is type 'Balance for' and then type your phone number, and send it to +1(888)878-1488.
For example, if your phone number is 5551231234, you:
(1) Type "Balance for 5551231234"
(2) Send it to +1(888)878-1488.
You'll soon receive a message with the exact number of texts, minutes, and the amount of data you have left.
If you need help or have questions, please feel free to contact us via call (1-878-205-0088), email (help@usmobile.com), or via chat.