Home Internet usage
Explore our plans, find out how much data is right for you, learn how to check your usage, and more.

Data usage basics

We track how much data all the devices connected to your home network use each month. This data is measured in gigabytes.
Our internet plans
All plans come with a data allowance for each bill period.
• You’ll get an email alert when you use 65%, 90%, and 100% of your monthly data allowance
• We’ll also email you the first time you go over your data limit.
• Charges apply the third time you go over your data limit.
• We charge $10 for each additional 50GB of data.
• The maximum overage charge for AT&T InternetSM is $100 a month, and $200 a month for DSL and Fixed Wireless Internet.
• See your Terms of Service for more details.
Unlimited data usage
If you have AT&T INTERNET, you can upgrade to unlimited data if you have one of the following:
• A combined bill for AT&T Internet and DIRECTV or U-verse TV
• AT&T TV
• Internet 100 up to 1000
• The unlimited usage allowance option for $30 month
Monthly data allowance by speed
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
Fixed Wireless Internet
250GB
$10 for each additional 50GB of data above the allowance with a $200 maximum per month
Internet Basic1 768Kbps up to Internet 75
1TB
$10 for each additional 50GB of data above the allowance with a $100 maximum per month
Internet 1002 up to 1000
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.
1Internet 100 and Internet 300Mbps speed tiers – Unlimited data allowance for existing customers, new activations, or upgrades as of October 4, 2020.
2Includes: AT&T High Speed Internet Basic / FastAccess DSL Lite, AT&T High Speed Internet Express / FastAccess DSL Ultra, AT&T High Speed Internet Pro, AT&T High Speed Internet Elite / FastAccess DSL XtremePro
3Service available with Internet Basic 768Kbps up to Internet 75 for $30 per month. Not available with DSL or Fixed Wireless Internet.
4Unlimited bundle allowance is included when qualifying TV service is bundled with AT&T Internet or AT&T Fiber.
Data calculator