If you need to find your Mobile Broadband device number, pick your device type and follow the steps below.
MiFi or dongle.
If you're using a MiFi, just connect your computer to your MiFi's network, and then go to http://3.home in your browser. You'll see your Mobile Broadband number on the top-left of the screen.
If you're using a dongle, plug it into your computer.
If a dashboard comes up, click the My3 account tab at the top. You'll find your number at the bottom.
If a dashboard doesn't come up, go to http://3.home in your browser. You'll see your Mobile Broadband number on the top-left of the screen.
Android tablet.
To find your Mobile Broadband number on an Android tablet:
From the Applications screen, tap Settings
Tap About tablet or About device
Tap Status or Phone identity
You'll see your Mobile Broadband number listed under MDN or Phone number.
Windows tablet.
To find your Mobile Broadband number on a Windows tablet:
From the homescreen, swipe inward from the right edge to open the menu. Tap Settings.
Tap Change PC settings.
Tap Wireless.
Tap on the 3.