Knowing your data may just help you to avoid going over your monthly data plan.
Dial #DATA and press Call
*You will receive a text message with your usage from VZW.
Dial *DATA# and press Call
You will receive a text message with your usage from AT&T.
Send a text message with the text “usage” to 1311
Dial *4 and follow prompts
*You will receive a text message with your usage from Sprint.