How to Check Usage on Sprint Phones
By keeping up with your cell phone minutes, you won't have any surprises when you receive your Sprint PCS phone bill. You can check your minute usage right from your Sprint phone. You can also easily check usage through Sprint's website.
Via Sprint Phone
Power on your Sprint PCS phone.
Press "*" + "4" from your phone's keypad.
Press the "Talk," "Send," or "Dial" key on your keypad to activate the call. The name for the call activation key will vary depending on the phone model.
Listen to the automated message to hear your minute usage and account balance.
Press the "End" key to terminate the call.
Via Sprint Website
Visit the Sprint wireless website at sprint.com.
Enter your "Username" and "Password" in the "My Sprint Sign On" section that is located on the right-hand side of the page. If this is your first time visiting "My Sprint" you must click on the "Need to register for access?" link. This will help you create a username and password.
Click "Go" to log in.
Click on the "Phone & Plan" link.
Select "Usage Details" for a detailed view of your usage.