Explore our plans, learn how to check your usage, and more.
Data usage basics
Data usage includes all data sent and received when you use your home internet. This data is measured in gigabytes (GB).
All our internet plans come with a data allowance for each bill period.
See the Customer Service Agreement for more details
Unlimited data usage
Have AT&T Internet? You can get unlimited data with:

Internet service option | Monthly data allowance | Data overage fees or price |
|---|---|---|
DSL1 | 150GB | $10 for each additional 50GB of data above the allowance with a $200 maximum per month |
Internet Basic 768Kbps up to Internet 75 | 1.5TB2 | $10 for each additional 50GB of data above the allowance with a $100 maximum per month |
Internet 100 - 5000 and AT&T Internet Air | Unlimited | No data overage fee |
Unlimited data allowance3 | Unlimited | $30 per month with no data overage fee |
Unlimited bundle allowance4 | Unlimited | No data overage fees |
Learn how much data you need. Keep in mind:

To make sure you don’t go over your data limit, check your usage in myAT&T. When you do, you’ll find:
Have your user ID and password handy to sign in.
